Since selenium is found in both food, water, and soil, its relative steady state can be a little challenging owing to its different oxidation states.

This is read by an automated voice. Please report any issues or inconsistencies here. More than 400 marine mammals have been reported stranded or sickened along California’s Central Coast since June.

More than a dozen mammal species shimmer and glint purple and green, like precious opals. Their fur is iridescent, meaning its colour appears to change depending on the animal’s orientation relative ...

A new species of “tiny” mammal was discovered in the mountains of northern Ethiopia. Craig, et al (2025) Journal of Vertebrate Biology In late September 2015 in the highlands of Ethiopia, researcher ...

A landmark law passed more than 50 years ago to protect whales, dolphins and other marine mammals in U.S. waters could be upended by amendments proposed on July 22 during a legislative hearing of the ...

Mammals have developed some unusual eating habits over the past 100 million years, but a new study has uncovered the surprising lengths to which some have gone to satisfy one of the more peculiar—a ...

The fossils were found at Big Bend National Park in Texas. Paleontologists have found fossilized remains of a giant possum-like mammal that lived 60 million years ago. The fossils, found at Big Bend ...

The long-beaked echidna had not been documented since the 1960s. Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct.

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you were to travel more than 120 million years back in time to ...