Chilean Quake May Have Shortened Earth Days
(PhysOrg.com) -- The Feb. 27 magnitude 8.8 earthquake in Chile may have shortened the length of each Earth day.
150 years later, Darwin vindicated... by jellyfish: Researchers link tiny sea creatures to large-scale ocean mixing
(PhysOrg.com) -- Creatures large and small may play an important role in the stirring of ocean waters, according to a study released Wednesday that confirms a theory advanced by Charles Darwin.
Astrophysicists apply new logic to downplay the probability of extraterrestrial life
Scots engineers prove space pioneer's 25-year-old theory
When American space pioneer, Dr Robert L Forward, proposed in 1984 a way of greatly improving satellite telecommunications using a new family of orbits, some claimed it was impossible.
Life on Mars hopes fade after methane findings (Update)
Hopes of finding life on Mars suffered a setback after new findings from NASA's Curiosity rover detected only trace amounts of methane gas in the Red Planet's atmosphere, a study said Thursday.
How the sun gets its spots
Sunspots are huge, dark, irregularly shaped--and yet, temporary--areas of intense magnetism on the sun that expand and contract as they move.
Mathematical model shows how groups split into factions
(PhysOrg.com) -- The school dance committee is split; one group wants an "Alice in Wonderland" theme; the other insists on "Vampire Jamboree." Mathematics could have predicted it.
Genius of Einstein, Fourier key to new humanlike computer vision
(PhysOrg.com) -- Two new techniques for computer-vision technology mimic how humans perceive three-dimensional shapes by instantly recognizing objects no matter how they are twisted or bent, an advance that ...
Riding a bike couldn't be ... more complicated
We are told there's nothing easier than riding a bike. The reality is when it comes to staying upright, there is nothing more complicated. The mathematical formula which explains the motion of a bicycle looks like it could ...
Zoom-up star photos poke holes in century-old astronomical theory
(PhysOrg.com) -- The hottest stars in the universe spin so fast that they get a bit squished at their poles and dimmer around their middle. The 90-year-old theory that predicts the extent of this "gravity ...
Physicists discover 'magnetotoroidic effect'
Planetary scientists propose two explanations for true polar wander
Study reveals seasonal patterns of tropical rainfall changes from global warming
Projections of rainfall changes from global warming have been very uncertain because scientists could not determine how two different mechanisms will impact rainfall. The two mechanisms turn out to complement ...