Portrait of astronaut in space suit and helmet

Space Medicine for the Inexperienced Astronaut

The promise of commercial spaceflight raises questions about how untrained travelers will endure the extreme hostility of space.
Care homes group managing director Mary Anson receives the Covid-19 vaccine as the Royal Cornwall Hospital begin their vaccination programme on December 9, 2020 in Truro, United Kingdom

The COVID-19 Vaccines Arrived at Warp Speed

Are they safe if they were developed so quickly? Research-backed answers to your virus questions.
Steve Biko

The Death of Steve Biko, Revisited

Like the death of George Floyd, the South African activist Steve Biko’s death galvanized a global movement against racism.
Young girl using tablet in homemade fort at home

Screen Time Guilt During the Pandemic?

Consider this: people once thought too much reading was bad for kids.
from Anna Maria Luisa de' Medici by Antonio Franchi

Plant of the Month: Peony

Peony's effectiveness as an ancient cure translated into a tool of statecraft in the eighteenth century.
An Ancient Roman latrine

This Is How They Wiped Themselves in Ancient Rome

A very gross but extremely informative look at the archaeology of toilet hygiene.
ear gas is fired at protesters demonstrating against the death of George Floyd outside the 3rd Precinct Police Precinct on May 26, 2020 in Minneapolis, MN.

Why Do Police Use Tear Gas When It Was Banned in War?

The development of chemical warfare around the time of World War I led to the use of tear gas as a weapon by civilian police forces.
A 100 dollar banknote with medical mask.

The True Costs of Managing Pandemics

The fear of the next global virus isn't just media indulging in catastrophizing; it's a collective concern for global economic and political health.
Two illustrations of the heart

Who Really Discovered How the Heart Works?

For centuries, the voice of the Greek doctor Galen, who held that blood is produced in the liver and filtered through tiny pores in the heart, went unchallenged.