April 2009 in science

__NOTOC__ 2009 : ← - January - February - March - April - May - June - July - August - September - October - November - December - →

April 30 2009 (Thursday)

• Aurora Borealis caused by electric space tornadoes. (TimesOnline)

April 21 2009 (Tuesday)

• Modern technology maps new sections of the Great Wall of China. (BBC News).
• Scientists discover Gliese 581 e, the smallest exoplanet ever found. They also find that Gliese 581 d, an exoplanet known since 2007, lies in the habitable zone, meaning it could harbor liquid water. (MSNBC)

April 19 2009 (Sunday)

• Egyptian archaeologist finds artifacts which may lead to Cleopatra's tomb. (Associated Press)

April 16 2009 (Thursday)

• Asexual ants discovered in the Amazon. (BBC)

April 13 2009 (Friday)

• 30 brightly coloured mummies discovered in Egyptian necropolis. (PressTV)

April 10 2009 (Friday)

• National Oceanic and Atmospheric Administration launches VORTEX2 to study tornadoes. (Associated Press)

April 5 2009 (Sunday)

• Welsh Aberystwyth University announces intelligent robot conducting biology experiments. (Reuters)

April 3 2009 (Friday)

• Mushroom corals found to change [...] from male to female and back again. (Discovery News)

April 1 2009 (Wednesday)

• Honda demonstrates mind-reading robotic technology. (The Associated Press)