Archive: 02/23/2014

New insights into the origin of birds

Mark Puttick and colleagues investigated the rates of evolution of the two key characteristics that preceded flight: body size and forelimb length. In order to fly, hulking meat-eating dinosaurs had to shrink in size and ...

Feb 23, 2014
4.4 / 5 (13) 3

Volcanoes helped offset man-made warming: study

Volcanoes spewing Sun-reflecting particles into the atmosphere have partly offset the effects of Man's carbon emissions over a 15-year period that has become a global-warming battleground, researchers said Sunday.

Feb 23, 2014
3.6 / 5 (24) 31

Scientists unlock a 'microbial Pompeii'

An international team of researchers have discovered a 'microbial Pompeii' preserved on the teeth of skeletons around 1,000 years old. The key to the discovery is the dental calculus (plaque) which preserves bacteria and ...

Feb 23, 2014
4.9 / 5 (9) 0