Archive: 09/03/2009

Are Sunspots Disappearing?

The sun is in the pits of the deepest solar minimum in nearly a century. Weeks and sometimes whole months go by without even a single tiny sunspot. The quiet has dragged out for more than two years, prompting ...

Sep 03, 2009 4.8 / 5 (27) 15

Are tigers 'brainier' than lions?

(PhysOrg.com) -- A wide-ranging study of big cat skulls, led by Oxford University scientists, has shown that tigers have bigger brains, relative to their body size, than lions, leopards or jaguars.

Sep 03, 2009 5 / 5 (3) 0