North–south climate divide: Researchers find 200-year lag between climate events in Greenland, Antarctica
A new study using evidence from a highly detailed ice core from West Antarctica shows a consistent link between abrupt temperature changes on Greenland and Antarctica during the last ice age, giving scientists ...
Research challenges popular theory on origin of languages
International research involving the University of Adelaide has shed new light on the origins of some of the most widely spoken languages in the world.
Best of Last Week – Halting photons, a peer review problem and circadian clock shifting from e-readers
The kinematics of merging galaxies
The unprecedented sensitivity of space telescopes has powered a revolution over the past decade in our understanding of galaxies in the young universe during its first billion years of existence. These primitive ...
The Bronze Age Egtved Girl was not from Denmark
The Bronze Age Egtved Girl came from far away, as revealed by strontium isotope analyses of the girl's teeth. The analyses show that she was born and raised outside Denmark's current borders, and strontium ...
Most European men descend from a handful of Bronze Age forefathers
Geneticists from the University of Leicester have discovered that most European men descend from just a handful of Bronze Age forefathers, due to a 'population explosion' several thousand years ago.
Complex cognition shaped the Stone Age hand axe, study shows
The ability to make a Lower Paleolithic hand axe depends on complex cognitive control by the prefrontal cortex, including the "central executive" function of working memory, a new study finds.
Are Neanderthal bone flutes the work of Ice Age hyenas?
A study in Royal Society Open Science says that so called 'Neanderthal bone flutes' are no more than the damaged bones of cave bear cubs left by scavengers during the Ice Age.
Study raises questions about cause of global ice ages
A new international study casts doubt on the leading theory of what causes ice ages around the world—changes in the way the Earth orbits the sun.
Bronze Age bones offer evidence of political divination
Trying to divine the future of a precarious administration, "House of Cards" President Frank Underwood enters the inner sanctum with a trusted adviser. "It's really a crapshoot," the adviser says, and the ...
Genetics reveals where emperor penguins survived the last ice age
A study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica was ...
Humour in the 13th century characterized by ridicule
We tend to think of the Middle Ages as grotesque and dreary. However, 13th century elites made use of laughter quite deliberately – and it resounded most loudly when it was at someone else's expense.
Vikings were pioneers of craft and international trade, not just pillaging
The connections between technology, urban trading, and international economics which have come to define modern living are nothing new. Back in the first millennium AD, the Vikings were expert at exploring ...
Scientists find deep-ocean evidence for Atlantic overturning decline
A new study has found evidence from the deep ocean that the Atlantic meridional overturning circulation – a system of currents that brings warm water from the tropics to the North Atlantic region and keeps ...