From harvard.edu
Online Book Talk—The Tech Coup: How to Save Democracy from Silicon Valley – Ash Center
1 1
The Ash Center invites you to an online book talk with author Marietje Schaake and discussant Bruce Schneier on Schaake’s latest work, The Tech Coup: How to Save Democracy from Silicon Valley. Danielle Allen, James Bryant Conant University Professor and Director of the Allen Lab for Democracy...
10h ago
From harvard.edu
Applying astronomical solutions and Milanković forcing in the Earth sciences
1 1
Astronomical solutions provide calculated orbital and rotational parameters of solar system bodies based on the dynamics and physics of the solar system. Application of astronomical solutions in the Earth sciences has revolutionized our understanding in at least two areas of active research. (i)...
18h ago
From harvard.edu
1 1
We used a modified Delphi method to elicit and synthesize experts’ views on disinformation, misinformation, and malign influence (DMMI). In a three-part process, experts first independently generated a range of effective strategies for combatting DMMI, identified the most impactful barriers to...
19h ago
From harvard.edu
Intermediate-mass black holes in globular clusters
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There have been reports of possible detections of intermediate-mass black holes (IMBHs) in globular clusters (GCs). Empirically, there exists a tight correlation between the central supermassive black hole (SMBH) mass and the mean velocity dispersion of elliptical galaxies, 'pseudo-bulges' and...
19h ago
From harvard.edu
Three super-Earths and a possible water world from TESS and ESPRESSO
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Context. Since 2018, the ESPRESSO spectrograph at the VLT has been hunting for planets in the southern skies via the radial velocity (RV) method. One of its goals is to follow up on candidate planets from transit surveys such as the TESS mission, with a particular focus on small planets for...
20h ago
From harvard.edu
Transit Timing Variations for Planets near Eccentricity-type Mean Motion Resonances
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We derive the transit timing variations (TTVs) of two planets near a second-order mean motion resonance (MMR) on nearly circular orbits. We show that the TTVs of each planet are given by sinusoids with a frequency of {{jn}}<SUB>2</SUB>-(j-2){n}<SUB>1</SUB>, where j≥slant 3 is an integer...
21h ago
From harvard.edu
WASP-47: A Hot Jupiter System with Two Additional Planets Discovered by K2
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Using new data from the K2 mission, we show that WASP-47, a previously known hot Jupiter host, also hosts two additional transiting planets: a Neptune-sized outer planet and a super-Earth inner companion. We measure planetary properties from the K2 light curve and detect transit timing...
23h ago
From harvard.edu
The Diagnosis of Incarceration: The Health Impacts of Criminal System Involvement
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It is said that every system is perfectly designed to yield the results that it produces. In the U.S., an $85 billion criminal legal system executes higher mortality rates and yields a greater prevalence of mental health, chronic illness, infectious disease and substance use disorders in people...
#carceral #policing #HealthEquity #blacktwitter #blackmastodon
on Sep 5
From harvard.edu
Technology and Human Rights Fellowship
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Applications are now open for the Technology & Human Rights Fellowship 2025-2026 cohort and due by Sunday, January 5, 2025.The Carr Center's Technology and Human Rights Fellowship is a key initiative exploring how technological progress will shape the future of human life and impact human rights...
on Fri, 12PM
From harvard.edu
A Guide to Executive Function - Center on the Developing Child at Harvard University
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Executive function skills help us plan, focus attention, switch gears, and juggle tasks. Learn how to enhance and develop these core skills for lifelong health and well-being.
on Thu, 7PM
From harvard.edu
The sensitivity to initial conditions of the co-orbital outcomes of lunar ejecta
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Lunar ejecta, produced by meteoroidal impacts, have been proposed for the origin of the near-Earth asteroid (469219) Kamo'oalewa, supported by its unusually Earth-like orbit and L-type reflectance spectrum (Sharkey et al., 2021). In a recent study (Castro-Cisneros et al. 2023), we found with...
on Thu, 3PM
From harvard.edu
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Recent instances of political violence have prompted concerns over the relationship between conspiracy theory beliefs and violence. Here, we examine the relationships between beliefs in various conspiracy theories and three operationalizations of violence—support for political violence,...
on Wed, 6PM
From harvard.edu
0 1
Social scientists, journalists, and policymakers are increasingly interested in methods to mitigate or reverse the public’s beliefs in conspiracy theories, particularly those associated with negative social consequences, including violence. We contribute to this field of research using an...
on Tue, 6PM
From harvard.edu
On the Local Formation of the TRAPPIST-1 Exoplanets
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The discovery of seven approximately Earth-mass planets orbiting the 0.09 M <SUB>⊙</SUB> M dwarf TRAPPIST-1 captivated the public and sparked a proliferation of investigations into the system's origins. Among other properties, the resonant architecture of the planets has been interpreted to...
on Tue, 6PM
From harvard.edu
Binary orbit and disks properties of the RW Aur system using ALMA observations
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Context. The dynamical interactions between young binaries can perturb the material distribution of their circumstellar disks, and modify the planet formation process. In order to understand how planets form in multiple stellar systems, it is necessary to characterize both their binary orbit and...
on Tue, 5PM
From harvard.edu
Holiday treats from the kitchen of Julia Child — Harvard Gazette
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Recipes from celebrity chef’s archive at Radcliffe
on Tue, 5PM
From harvard.edu
Orbital Migration Through Atmospheric Mass Loss
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Atmospheric mass loss is thought to have strongly shaped the sample of close-in exoplanets. These atmospheres should be lost isotropically, leading to no net migration on the planetary orbit. However, strong stellar winds can funnel the escaping atmosphere into a tail trailing the planet. We...
on Tue, 4PM
From harvard.edu
0 1
The CIAO software package for analyzing data from X-ray telescopes, including the Chandra X-ray telescope.
on Tue, 2PM
From harvard.edu
0 1
Federal oversight of dangerous dietary supplements will likely be eroded under a new Trump administration, according to experts affiliated with Harvard Chan School.
on Tue, 2PM
From harvard.edu
0 1
Just a few years after banning Wikipedia, some educators are starting to make peace with the popular online encyclopedia that anyone can write and edit.
on Tue, 2PM
From harvard.edu
Shell Worlds - An Approach To Terraforming Moons, Small Planets and Plutoids
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One big problem with the traditional terraforming approach is finding planets with workable initial parameters: large enough, temperate enough, wet enough, axial spin not too fast or too slow, a magnetic field, etc. A novel method to creating habitable environments for humanity by enclosing...
on Mon, 11PM
From harvard.edu
0 2
The new program aims to make public domain materials housed at Harvard Law School Library and other knowledge institutions available to train AI.
on Mon, 2PM
From harvard.edu
A Drug-Free Nasal Spray May Shield Against Respiratory Infections
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Gel-like coating wards off cold viruses, flu, and more in preclinical studies
on Mon, 1PM
From harvard.edu
The importance of exercise when you have diabetes - Harvard Health
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...
on Mon, 8AM
From harvard.edu
Lyapunov Exponents in Fundamental Models of Nonlinear Resonance
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The problem of analytical estimation of the Lyapunov exponents and Lyapunov timescales of the motion in multiplets of interacting nonlinear resonances is considered. To this end, we elaborate a unified framework, based on the separatrix map theory, which incorporates both an earlier approach for...
on Sun, 9PM
From harvard.edu
0 1
Recent numerical studies have shown that the entire solar system is permeated with arch-like structures originating from all planets. Particles placed on such arches experience planetary close encounters after only one or few orbital revolutions. In this work, we are interested how thece arches,...
on Sun, 8PM
From harvard.edu
Long-term evolution of exoplanet systems
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In this Review, I discuss recent developments on the long-term dynamical evolution of exoplanet systems, focusing on how distinctive dynamical processes may have shaped the orbital architectures of observed populations. I include three applications that highlight part of my own work. First, I...
on Sun, 7PM
From harvard.edu
The moon-forming impact as a constraint for the inner Solar system's formation
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The Solar system planets are benchmarks for the planet formation theory. Yet two paradigms coexist for the four terrestrial planets: the prolonged collisional growth among planetesimals lasting <inline-formula><tex-math id="TM0001" notation="LaTeX">$\gt 100$</tex-math></inline-formula> million...
on Sun, 5PM
From harvard.edu
Migration of giant planets in low viscosity discs and consequences on the Nice model
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Using 2D hydrodynamical simulations, we show that in a low viscosity protoplanetary disc, Jupiter and Saturn get locked in the 2:1 mean motion resonance and migrate slowly inwards, unlike cases at higher viscosities. We conclude that in such discs the scenario of the Grand-Tack is not possible....
on Sun, 5PM
From harvard.edu
Tidal effects in resonant chains of close-in planets: TTV analysis of Kepler-80
0 1
Systems near mean-motion resonances (MMRs) are subject to large transit-timing variations (TTVs). The amplitude and period of the TTVs strongly depend on the distance to exact MMR and the planetary eccentricities which are shaped during the formation and long-term evolution of the system. For...
on Sun, 3PM
From harvard.edu
0 3
Eating a diet with a higher ratio of plant-based protein to animal-based protein may reduce the risk of cardiovascular disease and coronary heart disease, according to a new Harvard Chan School study.
on Sat, 8PM
From harvard.edu
0 0
The CIAO software package for analyzing data from X-ray telescopes, including the Chandra X-ray telescope.
on Dec 13
From harvard.edu
0 0
Cambridge, MA – Harvard Law School’s Library Innovation Lab (LIL) is proud to announce the official launch of the Institutional Data Initiative (IDI), a grou...
on Dec 13
From harvard.edu
Deep Imaging of M51: a New View of the Whirlpool’s Extended Tidal Debris
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We present deep, wide-field imaging of the M51 system using CWRU’s Burrell Schmidt Telescope at KPNO to study the faint tidal features that constrain its interaction history. Our images trace M51's tidal morphology down to a limiting surface brightness of μ<SUB>B,lim</SUB> ∼ 30 mag...
on Dec 13
From harvard.edu
White consciousness helps explain conspiracy thinking | HKS Misinformation Review
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While conspiracy theories have long been tied to race, ethnicity, and religion, understanding this relationship is increasingly important in countries where White identity has become politically charged. This study finds that those high in White consciousness are more likely to 1) engage in...
on Dec 12
From harvard.edu
Human Rights and Portfolio Risk: Why Investors Should Think Big
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With human rights regulations expanding, investors need a broader approach to assessing risk and opportunity. Guidelines on human rights have helped ...
on Dec 12
From harvard.edu
A comparative study of the blue comets C/1908 R1 (Morehouse) and C/2016 R2 (Pan-STARRS)
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Context. The long-period comet C/1908 R1 (Morehouse) is distinguished by its early spectroscopic tail photography, which uncovered notably intense emission bands of N<SUB>2</SUB><SUP>+</SUP> and CO<SUP>+</SUP>, similar to the unusual characteristics of the atypical blue comet C/2016 R2...
on Dec 12
From harvard.edu
Why nonviolent resistance beats violent force in effecting social, political change
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Harvard Professor Erica Chenoweth discovers nonviolent civil resistance is far more successful in effecting change than violent campaigns.
on Dec 12
From harvard.edu
A potential exomoon from the predicted planet obliquity of $\beta$ Pictoris b
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Planet obliquity is the alignment or misalignment of a planet spin axis relative to its orbit normal. In a multiplanet system, this obliquity is a valuable signature of planet formation and evolutionary history. The young $\beta$ Pictoris system hosts two coplanar super-Jupiters and upcoming...
on Dec 12
From harvard.edu
New study finds 45,000 deaths annually linked to lack of health coverage — Harvard Gazette
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Nearly 45,000 annual deaths are associated with lack of health insurance, according to a new study published online today by the American Journal of Public Health. That figure is about…
on Dec 11
From harvard.edu
Machine learning approach for mapping the stable orbits around planets
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Numerical N-body simulations are commonly used to explore stability regions around exoplanets, offering insights into the possible existence of satellites and ring systems. This study aims to utilize Machine Learning (ML) techniques to generate predictive maps of stable regions surrounding a...
on Dec 11
From harvard.edu
0 0
Consuming dark, but not milk, chocolate may be associated with lower risk of developing type 2 diabetes, according to a new study from Harvard Chan School.
on Dec 11
From harvard.edu
Violent Video Games and Young People - Harvard Health Publishing - Harvard Health
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Parents, educators, and mental health professionals share concern about the potential effects of violent video games on children. Researchers are divided on the issue, but agree that parental overs...
on Dec 10
From harvard.edu
Near-Earth Asteroids as the Parents of the δ-Cancrid Meteoroid Stream
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The δ-Cancrid meteoroid stream forms four active meteor showers which are observable on the Earth annually during January–February and August–September. The stream's definite parent comet has not been established. We performed a search for near-Earth asteroids (NEAs) associated with this stream....
on Dec 10
From harvard.edu
A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations
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Kepler-51 is a ≲1 Gyr old Sun-like star hosting three transiting planets with radii ≈6–9 R <SUB>⊕</SUB> and orbital periods ≈45–130 days. Transit timing variations (TTVs) measured with past Kepler and Hubble Space Telescope (HST) observations have been successfully modeled by considering...
on Dec 10
From harvard.edu
Origins of Super Jupiters: TOI-2145b has a Moderately Eccentric and Nearly Aligned Orbit
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Super Jupiters are giant planets with several Jupiter masses. It remains an open question whether these planets originate with such high masses or grow through collisions. Previous work demonstrates that warm super Jupiters tend to have more eccentric orbits compared to regular-mass warm...
on Dec 10
From harvard.edu
Analyzing the Onset of Cometary Activity by the Jupiter-family Comet 2023 RN<SUB>3</SUB>
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We utilize serendipitous observations from the Asteroid Terrestrial-impact Last Alert System (ATLAS) and the Zwicky Transient Facility in addition to targeted follow-up observations from the Las Cumbres Observatory (LCO) and Liverpool Telescope to analyze the first observed instance of cometary...
on Dec 10
From harvard.edu
Two Novel Hot Jupiter Formation Pathways: How White Dwarf Kicks Shape the Hot Jupiter Population
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The origin of Hot Jupiters (HJs) is disputed between a variety of in situ and ex situ formation scenarios. One of the early proposed ex situ scenarios was the Eccentric Kozai–Lidov (EKL) mechanism combined with tidal circularization, which can produce HJs with the aid of a stellar or planetary...
on Dec 10