Why Do We Still Have Mitochondrial DNA?

Why Do We Still Have Mitochondrial DNA?

The mitochondrion isn't the bacterium it was in its prime, say two billion years ago. Since getting consumed by our common single-celled ancestor the "energy powerhouse" organelle has lost most of…
Can Ecotourism Save Endangered Species?

Can Ecotourism Save Endangered Species?

Ecotourism can provide the critical difference between survival and extinction for endangered animals, according to new research from Australia's Griffith University. Using population viability…
Longest-lasting Stellar Eclipse Discovered

Longest-lasting Stellar Eclipse Discovered

Imagine living on a world where, every 69 years, the sun disappears in a near-total eclipse that lasts for three and a half years. That is just what happens in an unnamed binary star system nearly 10…
Sensory Loss Affects 94 Percent Of Older Adults

Sensory Loss Affects 94 Percent Of Older Adults

The first study to measure the full spectrum of age-related damage to all five senses found that 94 percent of older adults in the United States have at least one sensory deficit, 38 percent have two…
New Cause Of Diabetes

New Cause Of Diabetes

Diabetes describes a disease where the body is not receiving a sufficient supply of insulin. It commonly inflicts the pancreas, the organ responsible for insulin production. More specifically, it…
Fruit Fly Sexuality Altered With Mutant Gene

Fruit Fly Sexuality Altered With Mutant Gene

A study of mutant fruit flies discovered that homosexual behavior in groups can be altered by their environment. Specifically, they have shown that the sexual preferences of male fruit flies with a…
Bizarre Snail That Swims Like A Flying Insect

Bizarre Snail That Swims Like A Flying Insect

Snails usually lumber along on their single fleshy foot; but not sea butterflies (Limacina helicina). These tiny marine molluscs gently flit around their Arctic water homes propelled by fleshy wings…