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A once-thriving Mesoamerican metropolis dried up about 1,000 years ago when below-average rainfall triggered centuries-long droughts that largely prompted people to abandon the city for greener opportunities, a new study finds.
Four thin, black lines, stacked on top of each other, bring the total number of tattoos on Ötzi, a 5,300-year-old mummified iceman, to 61, according to an exhaustive new study.
Found sitting at the depths of a submarine channel off the shores of Taiwan, a recently discovered fossil may add another small piece to the puzzle of how humans evolved.
Hats off to researchers in California. They've taken what appears to be a big step toward the development of a cure for hair loss, a condition that affects 50 million men and 30 million women in the U.S. alone.
A biological clock in people's DNA could tell could tell scientists how long they will live.
A type of DNA for the first time has been observed moving from one cell to another in animals.
A new study found that chicks associate the left side with smaller numbers and the right side with higher numbers.
Alt: Bird brain? Study says chicks count like we do
A biologist and an engineer have published a study in the journal PLOS ONE that suggests the skulls of baleen whales have evolved the ability to feel sound in their bones.
Related: Ageing whales: Scars reveal social secrets - "By following them over four years and cataloguing them based on each individual's numerous scars, the scientists were able to reveal new social insights.Most striking were the long-term relationships the whales appeared to form."
Related: A rare megamouth shark just washed up in the Philippines
Biologist Josh Grinath seized a rare chance to study an ecosystem from top to tiny bottom when a black bear blundered through his Rocky Mountain meadow research plot, gobbling up ants and gnawing on equipment.
Related: Polar bear penises are getting weaker
Carnivorous plants hold a place of special fascination in elementary science classrooms and botany labs alike. Many of these plants have an obviously predatory look about them (think: Venus flytrap). But pitcher plants, as successful as they are at capturing insects for their nutrients, don't make a lot of sense at first glance. A new study aims to make sense of the fact that the plants’ traps aren’t always slippery along the edges, even though a slippery edge would, in theory, catch more insects not sure of their footing.
A new species of plant has been found in the Blue Mountains in New South Wales, Australia, and it sure does not smell like roses. Identified by local botanist Greg Steenbeeke from the NSW Office of Environment and Heritage, this little sunset-coloured, 2-centimetre-tall flower has been named Thismia megalongensis.
Listening to icebergs could help to assess the extent of glacier melt, scientists report.
The two hemispheres of Mars are more different from any other planet in our solar system. Non-volcanic, flat lowlands characterize the northern hemisphere, while highlands punctuated by countless volcanoes extend across the southern hemisphere. Although theories and assumptions about the origin of this so-called and often-discussed Mars dichotomy abound, there are very few definitive answers. Geophysicists are now providing a new explanation.
NWA 7034, a meteorite found a few years ago in the Moroccan desert, is like no other rock ever found on Earth. It's been shown to be a 4.4 billion-year-old chunk of the Martian crust, and according to a new analysis, rocks just like it may cover vast swaths of Mars.
Related: Gully patterns document Martian climate cycles
Related: 'Knobby terrain' a sign of Mars's explosive past
Scientists who claimed last year to have found a pattern in the sky left by the super-rapid expansion of space just fractions of a second after the Big Bang were mistaken.
Related: Could a new proposed particle help to detect Dark Matter?
Philosopher Brad Skow’s new book says it does — but not in the way you may think.
Related: Black holes do not exist where space and time do not exist, says new theory
Our Milky Way could be harbouring a cosmic "wormhole"—that exotic short cut across the Universe made famous in science fiction shows and films—according to a team of scientists in India, Italy and the USA.
Alt: Wormhole to another galaxy may exist in Milky Way
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