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The sculpture of U.S. presidents George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln towers over the Black Hills at Mount Rushmore, near Keystone, S.D. Scott Olson/Getty Images News via Getty Images

What are the limits of presidential power to forgive student loans? A constitutional law expert answers 5 questions

The Supreme Court is considering the legality of the Biden administration’s student loan forgiveness plan and whether the administration had the power to offer debt forgiveness in the first place.
DNA editing has the capacity to treat many diseases, but how to do this safely and equitably remains unclear. KTSDESIGN/Science Photo Library via Getty Images

Human genome editing offers tantalizing possibilities – but without clear guidelines, many ethical questions still remain

Following the controversial births of the first gene-edited babies, a major focus of the Third International Summit on Human Genome Editing was responsible use of CRISPR.
Speakers discussing the proposed ordinance to add caste to Seattle’s anti-discrimination laws at Seattle City Hall, on Feb. 21, 2023. AP Photo/John Froschauer

Discrimination based on caste is pervasive in South Asian communities around the world – now Seattle has banned it

Two social scientists explain how caste-identities are pervasive in not just Hinduism but other South Asian faith groups as well.
Reinstituted rules in the U.S. House of Representatives allow members to fire federal staffers and cut programs. Kent Nishimura / Los Angeles Times via Getty Images

How the ‘Holman rule’ allows the House to fast-track proposals to gut government programs without debate or much thought at all

House Republicans have adopted a rule used periodically over the past 150 years that allows lawmakers to speed up and streamline votes to dismantle federal programs and fire federal employees.
A new federal regulation will set national limits on two ‘forever chemicals’ widely found in drinking water. Thanasis Zovoilis/moment via Getty Images

Regulating ‘forever chemicals’: 3 essential reads on PFAS

The Biden administration is finalizing the first federal limits on two compounds, PFOA and PFOS, in drinking water. These so-called ‘forever chemicals’ have been linked to numerous health effects.
Hotter-burning fires and a warming climate make it harder for seedlings to survive. Chip Somodevilla/Getty Images

The West’s iconic forests are increasingly struggling to recover from wildfires – altering how fires burn could boost their chances

Over 50 fire ecologists across the Western U.S. took an unprecedented look at how forests in thousands of locations are recovering from fire in a changing climate. The results were alarming.
Cells move their genetic material from one place to another in the form of RNA. Christoph Burgstedt/Science Photo Library via Getty Images

How does RNA know where to go in the city of the cell? Using cellular ZIP codes and postal carrier routes

Making sure RNA molecules are in the right place at the right time in a cell is critical to development and normal function. Researchers are figuring out exactly how they get to where they need to go.
Daylight saving time is back again – amid some controversy. billhagolan/iStock via Getty Images Plus

Springing forward into daylight saving time is a step back for health – a neurologist explains the medical evidence, and why this shift is worse than the fall time change

Americans are divided on their preference for daylight saving time versus standard time. But research shows that our bodies fare better when aligned with the natural light of standard time.