News tagged with northern hemisphere

A beast with four tails

(PhysOrg.com) -- The Milky Way galaxy continues to devour its small neighbouring dwarf galaxies and the evidence is spread out across the sky.

Nov 30, 2011
4.6 / 5 (10) 19 | with audio podcast

2012: Shadow of the Dark Rift

(PhysOrg.com) -- One of the most bizarre theories about 2012 has built up with very little attention to facts. This idea holds that a cosmic alignment of the sun, Earth, the center of our galaxy -- or perhaps ...

Dec 22, 2011
4.7 / 5 (15) 32 | with audio podcast

Biodiversity can promote survival on a warming planet

Whether a species can evolve to survive climate change may depend on the biodiversity of its ecological community, according to a new mathematical model that simulates the effect of climate change on plants ...

Nov 04, 2011
5 / 5 (4) 1 | with audio podcast

Say goodbye to cool summers: climate study

By 2050, the coolest summers in the tropics and parts of the northern hemisphere will still be hotter than the most scorching summers since the mid-20th century if global warming continues apace, according ...

Jun 10, 2011
3.3 / 5 (19) 43

New interpretation of Antarctic ice cores

Climate researchers at the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) expand a prevalent theory regarding the development of ice ages. In the current issue of the journal Nature three ...

Mar 02, 2011
4.2 / 5 (5) 0 | with audio podcast