Among some people, it changed their lifestyles, brought comfort in daily lives, improved health, education, and business.

Engelmann says that from the beginning of the Western intellectual tradition, people thought that only humans are rational.

A surprising diversity of dog shapes and sizes evolved long before the Victorians began making modern breeds Modern dog breeds come in a mind-boggling array of shapes and sizes—from Chihuahua to Great ...

Distinct domestic dog types could have started developing thousands of years before modern breeding, archaeologists find.

The Many Humans of the Globe As our species (Homo sapiens) evolved and spread across the globe, they were contemporary with ...

Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical ...

Over 500 million years ago, the Cambrian Period sparked an explosion of skeletal creativity. Salterella, a peculiar fossil, ...

Stream now with KPBS+ / Watch Saturday, Nov. 22, 2025 at 11 a.m. on KPBS 2. The film looks at the evolution of horses in ...

Dr. Marcus Hale, a physicist at the University of Cambridge, has proposed a fascinating theory that could potentially ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...

About the extinction of the dinosaurs, there are different theories. However, the most accredited is that their end was ...

Educators involved in curriculum design know one hard truth: you can’t fit in everything. Whatever the finished product, there will always be someone who thinks something important has been missed or ...