Drought could turn millet into American food

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Most people in the US put millet in the birdfeeder, but Amrita Hazra says we ought to eat it ourselves. Hazra, a postdoctoral researcher in the University of California, Berkeley, plant and microbial biology department, and...

Did hydrogen make rivers flow on Mars?

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The extensive valley networks on the surface of Mars were probably created by running water billions of years ago, but the source of that water is unknown. Now researchers are using climate models to predict...
Galaxies filamentary growth

There is a cosmic web of galaxies?

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Researchers think galaxies evolve in the Universe in thread-like "filaments" in the cosmic web appeared a few billions years after the Big Bang. So, altough it can seem aleatory, the galaxies grew in an...

Diabetes, obesity weigh on bones, but exercise helps

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Obesity and type 2 diabetes harm bone health, according to a new study with rats that suggests exercise can prevent the damage. “Researchers once thought obesity was protective of bone because with more body mass, individuals have more...

Tiny chemicals in the air raise risk of dying

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A type of air pollution that’s so small it’s invisible to the human eye is linked to an overall increase in risk of death, experts say. The small chemical particles—at less than one ten-thousandth of...

The center of N. America is a town called ‘Center’

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Figuring out the geographic center of a state, country, or a continent it harder than it sounds. Do you include water in your calculation? What about islands? What happens when the shoreline shifts? The US...

How suicide in sci fi helps us deal with change

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A new book argues that science fiction’s fascination with characters in suicidal crisis has been a part of the genre from the beginning. A few examples: A husband persuades his wife to commit a “pretend” suicide, only...

Timid woodpecker survives by looking ‘tough’

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A person might use a leather jacket, combat boots, and a scowl to say “don’t mess with me.” A timid South American woodpecker uses the same general strategy, though different accessories, to look like...

Latest Galileos closing in on launch

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Europe’s ninth and tenth Galileo satellites have been attached to the dispenser that will hold them during their flight up into space, then release them into their planned orbits. Galileo 9 and 10 are due...

Rosetta’s big day in the Sun

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ESA’s Rosetta today witnessed Comet 67P/Churyumov–Gerasimenko making its closest approach to the Sun. The exact moment of perihelion occurred at 02:03 GMT this morning when the comet came within 186 million km of the...
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