News

Environment

A fire’s rumble reveals where it’s burning

Researchers tracked a prescribed grassland fire using infrasound, sound waves pitched too low for people to hear.

Earth

Mammals moving between the Americas stopped over in Mexico

Ancient mammals may have had an easier time moving across the Isthmus of Panama from north to south thanks to Mexico’s climate.

Health & Medicine

How one amino acid might help fight colon cancer and infections

Dietary arginine reduces tumor formation and viral load in mice by boosting key immune proteins.

Animals

A new monkey species has been found deep in Congo’s forests

A canopy call, a partial photo and DNA revealed a new primate species — one that may already be at risk of extinction.