By Vahe Peroomian, Professor of Physics and Astronomy, USC Dornsife College of Letters, Arts and Sciences
From Earth spinning on its axis and orbiting the Sun to it precessing like a top, lots of factors affect which stars you can see in the sky.
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By Beverly Kingston, Director and Senior Research Associate, Center for the Study and Prevention of Violence, University of Colorado Boulder
Northeast Park Hill, a Denver neighborhood, has a long history of violence. During Denver’s summer of violence in the early 1990s, it was considered ground zero for gang conflict.
From the late 1990s through 2014, violent crime in Northeast Park Hill declined from its peak in the early ’90s but remained persistently higher than city averages. In 2016, Northeast Park Hill recorded 1,086…
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By Donald Heflin, Executive Director of the Edward R. Murrow Center and Senior Fellow of Diplomatic Practice, The Fletcher School, Tufts University
A longtime diplomat explains how the State Department normally encourages and helps Americans to leave countries amid political instability and war – which didn’t happen over the last week.
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By Sarah Greene, Instructor in Pediatrics and Infectious Diseases, Washington University in St. Louis
Philip Budge, Associate Professor of Medicine, Washington University in St. Louis
Public health campaigns had made significant strides toward eradicating diseases like elephantitis and river blindness. But this progress has since unraveled with the second Trump administration.
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By Bomikazi Zeka, Associate Professor in Finance, University of Canberra
Romalani Leofo, Lecturer in Accounting, University of Canberra
You’ve probably heard the saying, “The rich become richer, while the poor become poorer”. It’s about how uneven financial progress can be.
One of the reasons behind financial inequality is the gender pay gap, but the wealth gap is even more revealing. It explains why disparities persist between the rich and the poor. Wealth – your assets, savings, property and retirement provisions – is the true measure of long-term financial security.…
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By Mziwandile Sobantu, Professor, University of Johannesburg
Emmison Muleya, Lecturer in Social Work, University of the Witwatersrand
South Africa’s new democratic government inherited a 1.5 million housing backlog in 1994, which it has been struggling to close. The current national deficit stands at 2 million.
The 2025 White Paper for Human Settlements records that government has delivered 5.2 million houses and housing opportunities…
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By Meg A. Warren, Professor of Management, Western Washington University
Men and women who took part in an interfaith programme experienced a remarkably lower incidence of violence, even years later.
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By D. Yaw Atiglo, Senior research fellow, University of Ghana
Charlotte Abra Esime Ofori, Lecturer, University of Ghana
Research showed that older women used safer methods of abortion. Fully safe methods did not dominate in any region of Ghana.
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By Ellen Fungisai Chipango, Senior Research Associate, University of Johannesburg
Some women in Zimbabwe are being left behind in the move to green energy because they can’t afford solar systems that can power electric stoves.
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By Elizabeth Hull, Senior Lecturer in Social Anthropology, SOAS, University of London
Women farmers in KwaZulu-Natal have had to abandon their fields because the government has failed to maintain irrigation systems built in the apartheid era.
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