Human Interest

These muscles connect to their vertebrae, and allow the creature to move in various unique ways. Snakes can slither, move in a straight line, swim, jump and even "fly."

Bats and dolphins produce sound to reflect off surfaces and create a mental image of their surroundings. Owls' faces are dish-shaped to help funnel sounds to their ears, including that of mice moving along leaves or snow. Pinnipeds, such as seals and walruses, hear in both air and water.

"Men and nature must work hand in hand. The throwing out of balance of the resources of nature throws out of balance also the lives of men."

Some believe JFK's assassination was orchestrated by larger networks rather than a lone gunman. Skeptics wondered how one unknown man could kill the most powerful person in America, and believed the CIA, FBI or Soviet government played a role in the murder.

"We didn't know then what we know now, which is how tough it really is to land on Mars."

Photographer Cari Letelier captured a stunning shot of the aurora borealis over the Godafoss waterfall in Iceland, a composite image pulled from nearly three dozen exposures. The aurora phenomenon is typically visible in Earth's northern latitudes...

"There are only four kinds of people in the world—those who have been caregivers, those who are caregivers, those who will be caregivers, and those who will need caregivers."

Researcher Zecharia Sitchin proposed that Sumerian cuneiform tablets revealed that Sumerian gods were aliens who landed on Earth in Mesopotamia, and influenced the creation of modern humans. While his ideas gained cultural interest, they are widely rejected by mainstream scholars.

Other animals, including royal ground snakes, are able to survive eating poison. Scientists study the creative antitoxin defenses in these animals to discover treatments for poisoning.

"Hearts are the strongest when they beat in response to noble ideals."