Monday, February 28, 2011
Sunday, February 27, 2011
magnetic "sausage waves" channeling energy from the core to the surface through coronal holes called pores that periodically increase and decrease in size, providing insight into various processes of coronal heating.
Saturday, February 26, 2011
regenerate large amounts of lost or damaged cardiac tissue through proliferation of cells called cardiomyocytes and eventually regaining full normal function, an ability that is lost mere days after birth.
Friday, February 25, 2011
follow another's gaze, an important attribute of social animals in collaborative efforts of hunting or survival and a key to understanding intention and attention, has been observed in wolves whereas previously such behavior had only been documented in birds and primates.
Thursday, February 24, 2011
super skin" for robotic appliances.
Wednesday, February 23, 2011
walking cactus" (Diania cactiformis) has provided clues to the evolution of the jointed legs common among modern arthropod species, implying arthropods developed hardened limbs before hardened bodies.
Tuesday, February 22, 2011
antihypertriton from high-energy collisions of gold ions, an antiparticle about 200 MeV heavier than antihelium and the heaviest antimatter yet created.
Sunday, February 20, 2011
Saturday, February 19, 2011
commercial hydrogen cartridge designed to provide mobile battery charging for portable devices with rechargeable batteries such as cell phones, computers and GPS units, all with environmentally friendly byproducts.
Friday, February 18, 2011
coherent perfect absorber (CPA), which forces incoming beams of light to interfere with one another to perfectly cancel themselves out and dissipate the energy as heat.
Thursday, February 17, 2011
Wednesday, February 16, 2011
Drosophila melanogaster) can detect the difference between atomic isotopes of hydrogen and deuterium, which may provide insight into the nature of how olfaction operates by atomic vibration instead of receptor shape.
Tuesday, February 15, 2011
multi-jointed levers to amplify the sudden release of an internal "coiled spring" effect from a stretchy protein called resilin.
Monday, February 14, 2011
Ice Age fossils has been discovered by construction workers near Snowmass Village, Colorado, that includes American mastodons, Columbian mammoths, tiger salamanders, and a Jefferson's ground sloth dating back about 130,000 years.
Sunday, February 13, 2011
Australopithecus afarensis early human ancestors had foot arches like modern humans, indicating they were suited more to walking upright than climbing trees.
Saturday, February 12, 2011
bloated stars or "bloatars" that spawned planetary systems only to subsequently consume and reabsorb those planets.
Friday, February 11, 2011
wave of electrical activity in the brains of rats roughly a minute after decapitation, with corresponding phenomena found in the brains of human patients taken off life support, which may signal a final biochemical effort to restart failing brain function and provide a clear demarcation of brain death.
Thursday, February 10, 2011
redeveloped teeth in its lower jaw whereas all frog species lost similar teeth about 200 million years ago, a contradiction of Dollo's law which claims that species' traits lost to evolution are never regained.
Wednesday, February 9, 2011
Tuesday, February 8, 2011
subwavelength nanolasers that could lead to a new generation of faster, more efficient optoelectronics and biochemical devices.
Monday, February 7, 2011
Sunday, February 6, 2011
Saturday, February 5, 2011
core has cooled by about 4% since its discovery ten years ago, an enormous rate that implies the onset of neutron superfluidity.
Friday, February 4, 2011
Thursday, February 3, 2011
South American giant short-faced bear to be the largest bear ever found, living about 500,000 to 2 million years ago and growing up to 3500 pounds and standing 11 feet tall.
Wednesday, February 2, 2011
molybdenite (MoS2), an abundant semiconductor used primarily in steel alloys and lubricants, would allow the manufacture of transistors and other nanoelectronic components smaller and more energy-efficient than using silicon or graphene and requiring up to 100,000 times less energy.
Tuesday, February 1, 2011
new and distinct species of African wolf more closely related to the Holarctic grey wolf, the Indian wolf and the Himalayan wolf.