How Mammals Conquered the World after the Asteroid Apocalypse

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May 19, 2022

Paleontology

How Mammals Conquered the World after the Asteroid Apocalypse

They scurried in the shadows of dinosaurs for millions of years until a killer space rock created a new world of evolutionary opportunity

By Steve Brusatte

Medicine

The Weight of Stigma: Heavier Patients Confront the Burden of Bias

Research shows that anti-fat bias lowers the quality of care for higher-weight patients. Here is one patient's story.

By Kelso Harper

Medicine

A Deluge of New Drugs for COVID

Two years into the pandemic, the COVID-19 drugs pipeline is primed to pump out novel treatments—and fresh uses for familiar therapies.

By Heidi Ledford,Nature magazine

Space Exploration

Will NASA Save Europe's Beleaguered Mars Rover?

Russia's invasion of Ukraine ended hopes of launching the ExoMars rover in 2022. Now the mission may never lift off at all

By Jonathan O'Callaghan

Animals

Dolphins Rub against Mucus-Oozing Corals to Soothe Skin

This 'gorgoning' releases antibacterial compounds and other substances that dolphins could be using to self-medicate

By Jack Tamisiea

Public Health

What Does 'Protection' against COVID Really Mean?

To answer that question, expanded testing is needed that can determine levels of T immune cells

By Esther Landhuis

Climate Change

If Sea Ice Melts in the Arctic, Do Trees Burn in California?

A new study links sea ice decline with increasing wildfire weather in the Western United States.

By Emily Schwing | 05:24

Renewable Energy

Europe's Historic Clean Energy Plan Faces a Mining Problem

Securing the needed minerals and metals could be a stumbling block to reaching its ambitious goals

By Sara Schonhardt

Medicine

Mars Mission Could Bring Health Benefits on Earth

Flying to space takes its toll on the human body, and this has spurred new research on radiation and microgravity, as well as advances in remote medicine and telehealth, all of which have potential benefits for people on Earth

By Marion Renault,Nature Medicine

Inequality

People Who Are Making Health Care More Fair

Four innovators are finding new solutions for the problem of injustice

By Julia Hotz

Public Health

Tuberculosis Is the Oldest Pandemic, and Poverty Makes It Continue

Tuberculosis is preventable and curable, yet it afflicts one quarter of the world's population—mostly because of poverty

By Sofia Moutinho

Oceans

Coral Reefs Are Struggling, but There Is Some Good News

Graphics show how reefs around the globe are faring

By Katie Peek
FROM THE STORE
FROM THE ARCHIVE

The Ascent of Mammals

Recent fossil discoveries reveal that evolution began laying the groundwork for their rise to world domination long before the dinosaur-killing asteroid cleared the playing field

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