The Mystery of Megasphaera

When did animals first come into being? It might have been millions of years earlier than we thought.

Recession Lessons from an Ancient Fossil Bed

In a 120-million-year-old rock in Northeast China, paleontologists made a remarkable find.

Infection Control 600 Years Before the CDC

Modern health authorities combating the Ebola virus in West Africa might look to medieval infection control for inspiration.
Marijuana plant

Is Marijuana Good for Public Health?

What if the rise in marijuana smoking prompted by legalization brings more than just tolerable negative side effects? What if it is actually good for public health?

Ole Rømer and the Speed of Light

September marks two significant dates in the early history of astronomy and physics—the birthday of Danish astronomer Ole Rømer ...

Long-Distance Migration: Everybody’s Doing It

The birds do it. The butterflies do it. And now we know that the dragonflies do to it, too: long-distance migration. 

Happy 100th Birthday to the Journal of Parasitology!

This year, the Journal of Parasitology celebrates its 100th anniversary

Why Do Leaves Change Colors in the Fall?

Why do leaves change colors in fall?

New Organism Might Represent One of Life’s Earliest Forms

Dendrogramma enigmatica, an organism discovered in the 1980s, may be one of the earliest lifeforms.

Keeping Up with the Carnivores

Biological research tracks predatory carnivores, who are increasingly veering into North American cities.