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Sunflowers move by the clock

It's summertime, and the fields of Yolo County are filled with ranks of sunflowers, dutifully watching the rising sun. At the nearby University of California, Davis, plant biologists have now discovered how sunflowers use ...

dateAug 04, 2016 in Biotechnology
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Did a burning oil spill wipe out the dinosaurs?

Sixty six million years ago, the dinosaurs suddenly disappeared, along with most of the species on the planet. The extinction occurred at precisely the same time that a giant asteroid struck the Earth. The fact that the two ...

dateJul 15, 2016 in Earth Sciences
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Theft behind Planet 9 in our solar system

Through a computer-simulated study, astronomers at Lund University in Sweden show that it is highly likely that the so-called Planet 9 is an exoplanet. This would make it the first exoplanet to be discovered inside our own ...

dateMay 31, 2016 in Astronomy
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How sunflowers track the sun

Plants tell time. Not the way we do – for example, it's 3.40pm, time to pick up the kids. But like animals, plants can sense that winter is coming and it's time to drop leaves.

dateMay 27, 2016 in Cell & Microbiology
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Swept up in the solar wind

From our vantage point on the ground, the sun seems like a still ball of light, but in reality, it teems with activity. Eruptions called solar flares and coronal mass ejections explode in the sun's hot atmosphere, the corona, ...

dateMay 10, 2016 in Space Exploration
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