Science And Sciencibility
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Friday, 30 September 2011
Early Cause Of Increase In Mammalian Brain Size
Selection for better olfactory abilities may have resulted in larger brain sizes in early mammals.
Thursday, 29 September 2011
Aboriginal DNA dates Australian arrival
Sequencing of a West Australian Aboriginal man's hair shows he was directly descended from a migration out of Africa into Asia that took place about 70,000 years ago.
Wednesday, 28 September 2011
8.7 Million Species On Earth
Scientists have come up with the first precise, accurate and verifiable estimate of the number of species on Earth.
Tuesday, 27 September 2011
All Modern Life On Earth Derived From Common Ancestor
A single, primordial event likely yielded the array of organisms living today.
Monday, 26 September 2011
Humans came out of Africa via Arabia
An ancient toolkit unearthed in the United Arab Emirates suggests modern humans may have left Africa more than 100,000 years ago, much earlier than typically thought, say researchers.
Sunday, 25 September 2011
Magpie Semiosis
Magpies use pointing to communicate danger
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Saturday, 24 September 2011
Finch Semiosis
Scientists have discovered that songbirds are using their own form of grammar.
Friday, 23 September 2011
Elephant Semiosis
Scientists now believe elephants are in league with chimpanzees and dolphins as being among the world's most cognitively advanced animals.
Thursday, 22 September 2011
Early Human Interbreeding
Interbreeding between ancestors of modern humans and our extinct evolutionary relatives happened much earlier — and more extensively — than previously thought.
Homo habilis
Wednesday, 21 September 2011
Sapiens-Neanderthalensis coupling rare
Modern humans may have some traces of genes from Neanderthals, but a new study suggests any breeding between the two was most likely a rare event.
Tuesday, 20 September 2011
Facial "Expressions" Develop Before Birth
Fœtuses develop a range of facial movements in which one can identify facial expressions such as laughter and crying.
Sunday, 18 September 2011
First Planet Orbiting Two Suns Found
NASA’s Kepler mission has made the first clear detection of a “circumbinary” planet, a planet orbiting two stars.
Saturday, 17 September 2011
Oldest flying insect fossil find
The oldest known full-body impression of a flying insect has been found preserved in 300 million-year-old sandstone.
Friday, 16 September 2011
Gigantotherms
Sauropod dinosaurs, the enormous plant-eating dinosaurs with long tails and necks, had body temperatures ranging from 36 to 38 degrees Celsius.
Thursday, 15 September 2011
Gravity Waves
The race to discover gravity waves may be getting closer to the finish line with scientists successfully squeezing light using quantum mechanics.
Wednesday, 14 September 2011
Experiment shows time travel impossible
Physicists say they have proved that a single photon obeys Einstein's theory that nothing can travel faster than the speed of light, demonstrating that time travel is impossible.
Tuesday, 13 September 2011
The Cosmological Expansion
Scientists have gone back to the drawing board and come up with the most accurate measurement of how fast the universe is expanding.
Monday, 12 September 2011
Some black holes may be older than time
An intriguing new hypothesis suggests some black holes could have formed before the formation of our universe.
Sunday, 11 September 2011
Moon Origins
A new hypothesis claims the Earth may once have had two moons, which eventually crashed together.
Saturday, 10 September 2011
Antimatter
Scientists say they have trapped and stored atoms of antihydrogen for a record 16 minutes, a feat that promises deeper insights into the mysteries of antimatter.
Friday, 9 September 2011
Earth's Gold: Origins
A massive meteor bombardment 3.9 billion years ago provided most of the gold and other precious metals found near the Earth's surface today, according to a new study.
Thursday, 8 September 2011
Robot Pidgin
Two 'Lingodroids' have picked up their shared language by playing location games that led them to construct a shared vocabulary for places, distances and directions.
Wednesday, 7 September 2011
Scientists teleport Schrödinger's cat
Researchers have successfully teleported wave packets of light, potentially revolutionising quantum communications and computing.
Tuesday, 6 September 2011
All Non-Africans Are Part Neanderthal
Some of the human X chromosome originates from Neanderthals and is found only in non-Africans.
Monday, 5 September 2011
Australopithecus
A single bone discovered in Ethiopia has led scientists to the conclusion that Australopithecus walked on two legs and had abandoned tree-climbing for good.
Sunday, 4 September 2011
The Evolutionary Explosion In The Cambrian Period
The best-preserved eyes yet found from the Cambrian period show advanced vision had evolved in animals more than half a billion years ago.
Friday, 2 September 2011
Crow Semiosis
A five-year study of crows living near Seattle in Washington State show the birds can remember a "dangerous human" and are able to share their knowledge of the learned danger with their offspring and other crows.
Thursday, 1 September 2011
Star that shouldn't exist found
It has about 80 per cent the mass of the Sun and is composed almost entirely of hydrogen and helium, something previously thought impossible.
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