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Between the 9th and 19th centuries, Arabic-speaking scholars translated Greek, Latin and even Sanskrit texts on topics such as medicine, mathematics and astronomy, fostering a vibrant scientific culture within the Islamic world. Some of the most influential texts are now available at the Qatar Digital Library.
A new idea about the origin of complex life turns current theories inside out. In the open access journal BMC Biology, cousins Buzz and David Baum explain their 'inside-out' theory of how eukaryotic cells, which all multicellular life -- including us -- are formed of, might have evolved.
Nature has developed a wide variety of methods for guiding particular cells, enzymes, and molecules to specific structures inside the body: White blood cells can find their way to the site of an infection, while scar-forming cells migrate to the site of a wound. But finding ways of guiding artificial materials within the body has proven more difficult.
He was primarily known as a respected scientist who worked for a number of top military contractors and as one of the inventors of the Stinger missile … until he recorded a video on his deathbed. With its release on YouTube, Boyd Bushman is now famous for revealing details about his personal experiences at Area 51 with aliens and UFOs.
On Friday the 13th in April 2029, a football field–sized asteroid named Apophis is expected to pass, with luck, within a hair’s breadth of Earth. The space rock won’t do any damage to Earth—it’s predicted to pass at a safe distance of at least 35,000 kilometers—but the reverse may not be true. A new study finds that the near miss could trigger tiny avalanches on Apophis.
New multi-scenario modelling of world human population has concluded that even stringent fertility restrictions or a catastrophic mass mortality would not bring about large enough change this century to solve issues of global sustainability.
On a recent visit to Crystal Ice Cave in Idaho, climate and cave researchers had to wade through frigid, knee-deep water to reach the ice formations that give the cave its name. Cavers are good-humored about the hardships of underground exploration, but this water was chilling for more than one reason: it was carrying away some of the very clues they had come to study.
Where once there were 15, now more than 1,000 giant tortoises lumber around Espanola, one of the Galapagos Islands.
New research by the University of California, Davis, shows that chimpanzees plan ahead, and sometimes take dangerous risks, to get to the best breakfast buffet early.
When Yanomamo men in the Amazon raided villages and killed decades ago, they formed alliances with men in other villages rather than just with close kin like chimpanzees do. And the spoils of war came from marrying their allies’ sisters and daughters, rather than taking their victims’ land and women.
A genetic analysis of almost 900 offenders in Finland has revealed two genes associated with violent crime.
Alt: Murderers May Be Hardwired to Kill
Everyone wants to be happy. It's a fundamental human right. It's associated with all sorts of benefits. We, as a society, spend millions trying to figure out what the key to personal happiness is. There are now even apps to help us turn our frowns upside down. So everyone wants to be happy—right?
The birth of a first and a second child briefly increases the level of their parents’ happiness, but a third does not, according to new research. Those who have children at an older age or who are more educated have a particularly positive response to a first birth. Older parents, between the ages of 35 -- 49, have the strongest happiness gains around the time of birth and stay at a higher level of happiness after becoming parents, the research indicates.
It's seen as one of life's more wholesome tipples. But drinking milk in large quantities may not be as good for general health and bones as we thought, according to a study of thousands of Swedish people. However, other researchers have criticised the study for raising more questions than it answers.
Alt: Heavy milk drinking may double women’s mortality rates
Plants may not travel around as animals do, but they have evolved many strategies that allow them to cope and make the most of the environment they live in. Examples can be found everywhere. For instance, succulence is the special characteristic that cacti have to store water and then use it as a reserve in their dry habitats. And there are plants that produce seeds that are dispersed by wind, allowing them to travel farther than they could possibly have gone otherwise.
Telltale signs of life have been discovered in rocks that were once 12 miles (20 kilometers) below Earth's surface — some of the deepest chemical evidence for life ever found.
Inspired by nature's own anti-turbulence devices – feathers – researchers have developed an innovative system that could spell the end of turbulence on flights.
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