Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.

WebXPRT 5, a free online performance evaluation tool, provides objective information about how well web-connected ...

A single thermal performance curve applies across life, from bacteria to animals. Species differ in optimal temperatures, but not in the fundamental shape of their response to heat. Researchers at Tri ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

I used to think wellness was personal—something you managed outside of work, not something that shaped how you led. For most of my career, I never measured success by wellness. Now, as our company ...

The trade-off between quality and quantity is a fundamental economic dilemma. Now, a team of British, American, and Japanese researchers describes how it applies to biology, as well. They have ...

Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

Ardi is the oldest known partial skeleton of a hominin and shows foot features that are transitioning from vertical climbing to bipedal walking. While Ardi has the primitive grasping big toe of the ...

CrunchLabs, the maker of STEM activity kits for kids founded by NASA engineer turned YouTube science communicator Mark Rober, has launched Class CrunchLabs, a collection of free standards-aligned ...

OAK RIDGE, Tenn. (WATE) – Nuclear Science Week is kicking off in Oak Ridge, and you’re invited to join in all the FREE events! Dancing on the Edge: Dragonfly Aerial Brings Vertical Dance to Life in ...