The Bitter Potion by Adriaen Brouwer, ca. 1636 - 1638

Is Disgust Related to Morality?

The disgust response acts as a behavioral immune system, protecting us from disease, but produces strong reactions to perceived out-groups.
Dust rising from combine during crop harvesting

The Greenhouse Gas That’s More Potent Than Carbon Dioxide

Emitting just 1 ton of nitrous oxide—a common ingredient in synthetic fertilizer—is roughly equivalent to emitting 300 tons of carbon dioxide.
Nurses withdraw blood for testing from a volunteer taking part in the AIDSVAX B/E vaccine trial July 18, 2002 at the Boon Mee Clinic in Bangkok, Thailand.

RV144: The Largest HIV Vaccine Trial in History

One of the biggest advances in AIDS vaccine research was a controversial, landmark treatment that tested a new vaccine on 16,000 Thai volunteers.
Charles David Keeling & George W. Bush, 2001

How Charles Keeling Measured the Rise of Carbon Dioxide

The climate scientist created a new method to measure atmospheric carbon dioxide. It's still used today.
Illustration by Arthur Rackham

Sick Party!

The party as site of contagion in Edgar Allan Poe, Evelyn Waugh, and Ling Ma.
Judi Iranyi

Community Care in the AIDS Crisis

The Shanti Project’s work in caring for people with AIDS provides valuable lessons in the efficacy of mutual aid in fighting disease.
An illustration of sunspots from between 1885 and 1890

Do Sunspots Explain Global Recession, War, or Famine?

Maybe it's something about the number eleven?
Little brown bat

What Bats Can Teach Humans About Coronavirus Immunity

Bats have a unique genetic ability to tolerate many viral infections. Can humans uncover their secrets?
On the left, Heliconia tarumaensis Barreiros (with yellow bracts); on the right, Heliconia acuminata L.C. Richard (with yellow and red bracts). Dumbarton Oaks Rare Book Collection.

Plant of the Month: Heliconia

Heliconias can distinguish among pollinators like hummingbirds and respond selectively to their visits.
Coronavirus

A Science Reader for COVID-19

Covering concepts from spillover to virus mutation, this collection of free-to-access readings provides scientific context around the COVID-19 pandemic.