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How Ancient Neanderthal DNA Still Influences Our Genes Today

Neanderthals may have gone extinct 30,000 years ago, but they still live on inside us. Ever since scientists discovered that Neanderthal DNA comprises roughly 2 percent of the genomes of modern humans of European and Asian heritage, they’ve speculated about how exactly those lingering genes affect us today. Now we’ve found that even though most humans hardly resemble Neanderthals in appearance, their DNA still influences how our genes work


Read more: http://www.smithsonianmag.com/science-nature/how-ancient-neanderthal-dna-still-influences-our-genes-today-180962285/#J7cUAOiCVBLuEKxS.99
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Goal! Bees can learn ball skills from watching each other, study finds

Bumblebees can learn how to manoeuvre a ball just by watching others carry out the task, researchers have discovered in the latest study to shed light on the insects’ surprising talents.

While bees have already been shown to be able to learn how to pull on strings, push caps and even rotate a lever to access food, researchers say the new study shows that bees are better at problem solving than we thought.

“Previous [research] has found that bumblebees can do complex tasks but those tasks have always been really close to natural behaviour,” said Olli Loukola, first author of the research from Queen Mary University of London, pointing out that bees often have to manipulate different parts of a flower to access nectar. “Now we have shown that they can learn something that is totally unnatural, like moving balls.”-read more

Star's seven Earth-sized worlds set record

Astronomers have detected a record seven Earth-sized planets orbiting a single star.

The researchers say that all seven could potentially support liquid water on the surface, depending on the other properties of those planets.

But only three are within the conventional "habitable" zone where life is considered a possibility.

The compact system of exoplanets orbits Trappist-1, a low-mass, cool star located 40 light-years away from Earth.

The planets, detected using Nasa's Spitzer Space Telescope and several ground-based observatories, are described in the journal Nature.-READ MORE AND SEE VIDEO