A Moment of Science

Posts tagged extinction

July 31, 2014

 

Cave painting of a hunter spearing a wooly mammoth

Inbred Mammoths

Did climate change wipe out the wooly mammoth? The fossil record may tell a different story of the mammoth's demise.

March 28, 2014

 

Close-up of green dates still on the tree

Extinct Isn’t Always Forever

Usually we think of extinction as the end of the line for members of the domain of life. Interestingly, though, there are exceptions.

October 23, 2013

 

A cheetah family of five lounges in the sun at the Smithsonian National Zoo

Cheetahs Cut from the Same Cloth

Though some of the oldest surviving felines, cheetahs have the genetic diversity equivalent to identical twins.

December 28, 2012

 

bison eating in a field of grass

How Did Animals Survive The Ice Age?

How did animals respond to the ice age? Ancient bison preserved in the Canadian arctic have given scientists a clue.

July 12, 2012

 

a great white shark

Great White Sharks

Great white sharks have a reputation for being the fiercest in the sea. But are they now the ones in danger?

June 20, 2012

 

neanderthal heads in a museum

What Happened To The Neanderthals?

Scientists have found evidence that by the time modern humans arrived in Europe, Neanderthals had already experienced an extinction scare.

February 6, 2012

 

Europe at night

When Continents Collide: The History Of Our Planet

It was one of the Earth's momentous times. Continents collided. Volcanoes erupted. Ocean currents shifted. Species ran amok.

November 22, 2011

 

Dino

How Do Scientists Figure Out If A Dinosaur Is A New Species?

Scientists are using bone histology to sort things out. They've already concluded that Stygimoloch, was a juvenile Pachycephalosaurus, not a new species.

October 19, 2011

 

earth made of clay

Global Warming: Is It Happening?

Global warming is a topic of political debate and scientific study these days. Is it happening? Scientists say the evidence is pointing in that direction.

May 19, 2011

 

tall dinosaur against a cloud background

Was There An Extinction Refuge For Animals?

How did some animals manage to survive the extinction?

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