News tagged with living fossils

Ancient crocodiles ate like killer whales

(Phys.org)—Crocodiles are often thought of as living fossils, remaining unchanged since the time of the dinosaurs. But scientists have shown this is not always the case and that 150 million years ago, their ...

Sep 19, 2012
3.7 / 5 (3) 0 | with audio podcast

Study of giant viruses shakes up tree of life

A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family ...

Sep 13, 2012
4.8 / 5 (24) 2 | with audio podcast

'Pregnant plesiosaur' examined

A paper to be published on August 12, 2011 in Science reveals that Dr. F. Robin O'Keefe of Marshall University in Huntington, W.Va. and Dr. Luis Chiappe, Director of the Natural History Museum's Dinosaur Institute, have d ...

Aug 11, 2011
5 / 5 (7) 0 | with audio podcast

Fish colon offers insight into evolution

Skates have primitive colons. This may not sound like a big deal, but it is. The discovery could change scientific understanding of evolution, of how animals emerged from water to live on land.

Oct 06, 2014
4.8 / 5 (6) 0

Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long and wei ...

Jul 16, 2013
4.6 / 5 (7) 5