Paradisaea rubra

Charles Darwin’s Descent of Man, 150 Years Later

A new book on Darwin’s classic asks what he got right and wrong about “the highest and most interesting problem for the naturalist:” human evolution.
An illustration of digital viruses

Do Viruses Cheat to Win at Evolution?

How one pair of researchers used game theory to predict the sneaky, underhanded behavior of microbial competitors.
Cinnamomum verum

Plant of the Month: Cinnamon

Of early modern medicinal monopolies and the nature of a "true" product of empire.
An artist concept of a NASA astronaut on Mars

Why Hasn’t NASA Sent Anyone to Mars?

The Perseverance mission to Mars represents a considerable step forward for the space program. But are rovers as good as it gets?
Annie Montague Alexander

Annie M. Alexander: Paleontologist and Silent Benefactor

An unsung patron of science whose deep pockets and passion for exploring led to the founding of two influential natural history museums.
An image of the uterus and womb, 1908

The “Scientific” Antifeminists of Victorian England

Nineteenth-century biologists employed some outrageous arguments in order to keep women confined to the home.
Eric LoPresti

Some Plants Use Stickiness to Fend off Hungry Insects

For some sand-dwelling plants, stickiness is a defense tactic that keeps predators at bay.
A woman's hand holding a turkey baster

Notes on Queer Conception and the Redefinition of Family

Feminist scholars refer to the “intensely communal, queer, and playful nature” of DIY LGBTQ conception, but Fertility, Inc. is another story.
A hand-colored engraving of a Purple Martin

The Disappearing Culture of Purple Martin Landlords

“You have to have almost a cruel streak in you to be a successful Martin landlord."
Florence Nightingale

How Courageous Should Nurses Have to Be?

According to three scholars, it's asking a lot for health care professionals to be completely selfless.