Shiras Corella

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What To Make Of That Saliva Test For Homosexuality

It's only for men, and with 67 percent accuracy<p>A new saliva test purportedly shows whether a man is straight or gay, according to research presented today at the annual meeting of the American Society of Human Genetics. And no, it won’t tell you why someone is gay. And it doesn’t work for women or …

Genetics

Evidence of liquid water found on Mars

<b>Nasa's Curiosity rover has found that water can exist as a liquid near the Martian surface.</b><p>Mars should be too cold to support liquid water at the surface, but salts in the soil lower its freezing point - allowing briny films to form.<p>The results lend credence to a theory that dark streaks seen on …

Geoscience

Better Call Saul: is electromagnetic hypersensitivity a real health risk?

Better Call Saul, the long-awaited spin-off of Breaking Bad, has already thrown up some interesting questions: why is Saul chopping up cookie dough in a shopping mall? Will Mike Ehrmantraut ever let him out of the car park at the first time of asking? But perhaps most intriguing is the one raised …

Electromagnetism

Live forever: Scientists say they’ll extend life ‘well beyond 120’

Fixing the ‘problem’ of ageing is the mission of Silicon Valley, where billions is pouring into biotech firms working to ‘hack the code’ of life – despite concerns about the social implications<p>In Palo Alto in the heart of Silicon Valley, hedge fund manager Joon Yun is doing a back-of-the-envelope …

Peter Thiel

Mars Curiosity Rover Finds Clues to Genesis of Ancient Lake and Peak

Geological observations from NASA's Curiosity rover have helped scientists come up with a scenario for the creation of a lake that's bigger than Salt Lake and a mountain that's higher than Mount Rainier on ancient Mars.<p>The scenario suggests that water could have filled much of 96-mile-wide …

Jigsaw Puzzles

Does this Martian meteorite contain traces of life?

Researchers say they’ve found evidence of biological activity inside a meteorite from Mars that landed on the Moroccan desert in 2011.<p>The Tissint …

Research

Oldest engraving rewrites view of human history

Anthropologists on Wednesday said they had found the earliest engraving in human history on a fossilised mollusc shell some 500,000 years old, …

Indian girl dies after being set on fire

A teenage girl has died in northern India one week after a gang of men set her on fire as punishment for resisting their attempts to molest her, police said.<p>The horrific incident is the latest in India where sex attacks on women continue to occur on an almost daily basis despite an international …

Touchdown! Comet Landing to Offer Clues to Solar System's Birth

The landing of a European spacecraft on a craggy comet will provide a "quantum leap forward" for our understanding of the icy bodies.<p>Scientists "soft-landed" a space probe on a comet for the first time on Wednesday, capping a ten-year, four-billion-mile journey.<p>The European Space Agency's Rosetta …

Remains could be those of 43 missing Mexican students

The 43 Mexican students who disappeared in southern Mexico in September were abducted by police on order of a local mayor, and are believed to have been turned over to a gang that killed them and burned their bodies before throwing some remains in a river, the nation's attorney general said …

This Robot Can Make You Feel Like There's A Ghost Behind You

Ever feel another human “presence” nearby? It may just mean your brain is confused.<p>You’re all alone in a room, when all of a sudden your senses start tingling. Though you can’t hear or see anyone around, you have this indescribable perception of a human presence lurking nearby. It just <i>feels</i> like …

Study shows direct brain interface between humans

If the brain-to-brain interface was successful, the receiver's hand would twitch, pressing the touchpad and firing the cannon that was displayed on …

Astronomers Find Amazing Evidence Of A Star Escaping A Black Hole

A star passed by the black hole close enough that some of its mass fell into the black hole's gravitational grip, but far enough that the star managed to get away still intact with minor damage.<p>A team of astronomers spotted the event in a galaxy about 650 million light years from Earth, which is …

Black Holes

This Paper Ticket Holds A Tiny Biological Machine

You can store the paper at room temperature, and all of its genetic and protein components will still work a year later.<p>The paper ticket you see pictured above is actually a little biology machine. It's a gene circuit stored on a slip of paper. To turn the gene circuit on, you simply wet the paper …

Powerful New Microscope Allows Scientists To View The World Like Never Before

You've never seen cells up-close quite like this.<p>Developed at Howard Hughes Medical Institute, a powerful new microscope can record the activity of living cells, molecules, and embryos in 3D and in real-time. Just check out the video above that shows a HeLa cell dividing, and prepare for your mind …

Milk Grown in a Lab Is Humane and Sustainable. But Can It Catch On?

Would consumers rather get milk from cows or from genetically engineered yeast?<p>The world's first test-tube hamburger has already been synthesized and cooked at a cost of more than $300,000. Now a pair of young bioengineers in Silicon Valley are trying to produce the first glass of artificial milk, …

You’re powered by quantum mechanics. No, really…

For years biologists have been wary of applying the strange world of quantum mechanics, where particles can be in two places at once or connected over huge distances, to their own field. But it can help to explain some amazing natural phenomena we take for granted<p>Every year, around about this time, …