News tagged with field experiments

Earth's outer core deprived of oxygen: study

The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen ...

Nov 23, 2011 3.9 / 5 (15) 12 | with audio podcast

Grazers and pollinators shape plant evolution

It has long been known that the characteristics of many plants with wide ranges can vary geographically, depending on differences in climate. But changes in grazing pressure and pollination can also affect the genetic composition ...

Oct 21, 2013 5 / 5 (2) 0 | with audio podcast

Robosquirrels versus rattlesnakes

Robot squirrels from the University of California, Davis, are going into rattlesnake country near San Jose, continuing a research project on the interaction between squirrels and rattlesnakes.

Apr 03, 2012 4 / 5 (2) 2 | with audio podcast

Earth is getting fatter

Like many of its inhabitants, the Earth is getting thicker around the middle -- that's what a new study out this week says. The increased bulge is due to the melting of the Greenland and Antarctic ice sheets.

Jul 28, 2011 4.6 / 5 (17) 18 | with audio podcast