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Smarter brains are blood-thirsty brains

A University of Adelaide-led project has overturned the theory that the evolution of human intelligence was simply related to the size of the brain—but rather linked more closely to the supply of blood to the brain.

date6 hours ago in Evolution
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The rise and fall of galaxy formation

An international team of astronomers, including Carnegie's Eric Persson, has charted the rise and fall of galaxies over 90 percent of cosmic history. Their work, which includes some of the most sensitive astronomical measurements ...

date13 hours ago in Astronomy
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Defend or grow? These plants do both

From natural ecosystems to farmers' fields, plants face a dilemma of energy use: outgrow and outcompete their neighbors for light, or defend themselves against insects and disease.

date13 hours ago in Biotechnology
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Variation in 'junk' DNA leads to trouble

All humans are 99.9 percent identical, genetically speaking. But that tiny 0.1 percent variation has big consequences, influencing the color of your eyes, the span of your hips, your risk of getting sick and in some ways ...

date13 hours ago in Genetics
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Which snowy owls thrive in Saskatchewan's winters

Snowy Owls capture the imagination, but ornithologists know surprisingly little about how these birds of the far north fare during the harsh winters they endure. The researchers behind a new study in The Auk: Ornithological ...

Study documents a lost century for forest elephants

Because forest elephants are one the slowest reproducing mammals in the world, it will take almost a century for them to recover from the intense poaching they have suffered since 2002. Not only does it take more than two ...

IBM's Almaden Lab: A glimpse into the future

To step inside IBM Research-Almaden is to get a peek into how the latest advances in technology are being applied to a crazy quilt of important issues from food safety and cancer to recycling.

Variation in 'junk' DNA leads to trouble
Amputees' brains remember missing hands even years later
People with alcohol dependency lack important enzyme
Researchers discover a drug for a tropical disease
Non-addictive painkiller shows promise in animal trials
Experts urge rethink on health target
Molecularly shutting down cancer cachexia

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Millions at risk from rising water pollution: UN

Increasingly polluted rivers in Africa, Asia and Latin America pose a disease risk to more than 300 million people and threaten fisheries and farming in many countries, a UN report warned Tuesday.

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Increased complications after 2011 Ohio abortion law
Haiti fights losing battle against cholera
Singapore Zika cases surge to 82

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