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Biology9772 articles archived since 1845

Here's Looking at Humanity, Kid

Senior Editor Gary Stix talks about the September special issue of Scientific American, devoted to the science of being human. And Brown University evolutionary biologist Ken Miller discusses human chromosome 2 and what it tells us about us.

September 5, 2018 — Gary Stix and Steve Mirsky

Freeloading Ants Help the Workflow

Fire ants tunnels got excavated efficiently by only a small percentage of the group doing most of the work, thus avoiding pileups in tight spaces.

August 21, 2018 — Daniel Ackerman

For Some Crows, Migration Is Optional

Crows are what's known as "partial migrants"—as cold weather approaches, some crows fly south whereas others stay put. And that behavior appears to be ingrained. Christopher Intagliata reports. 

August 16, 2018 — Christopher Intagliata

Corn Variety Grabs Fertilizer from the Air

A variety of corn from Oaxaca, Mexico, has aerial roots that harbor nitrogen-fixing bacteria, allowing the corn to suck nitrogen straight from the air. Christopher Intagliata reports. 

August 7, 2018 — Christopher Intagliata