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Karina

Karina
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‘Pompeii of prehistoric plants’ unlocks evolutionary secret: study

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Spectacular fossil plants preserved within a volcanic ash fall in China have shed light on an evolutionary race 300 million years ago, which was...

How fast is the universe expanding? Galaxies provide one answer.

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Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but with more precise data has come a conundrum: Estimates...

Global warming could make survival in tropics impossible: Study

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Limiting global warming to targets proposed in the Paris Agreement could keep tropical regions from reaching temperatures that are beyond human tolerability, a new...

Neanderthals disappeared from Europe earlier than thought, says study

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Neanderthal fossils from a cave in Belgium believed to belong to the last survivors of their species ever discovered in Europe are thousands of...

Sea otters maintain remnants of healthy kelp forest amid sea urchin...

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Sea otters have long been recognized as a classic example of a keystone species, a dominant predator that maintains the balance of kelp forest...

Time needed to sequence key molecules could be reduced from years...

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Using a nanopore, researchers have demonstrated the potential to reduce the time required for sequencing a glycosaminoglycan—a class of long chain-linked sugar molecules as...

A better way to measure acceleration

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You're going at the speed limit down a two-lane road when a car barrels out of a driveway on your right. You slam on...

A giant, sizzling planet may be orbiting the star Vega

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Astronomers have discovered new hints of a giant, scorching-hot planet orbiting Vega, one of the brightest stars in the night sky. The research, published this...

Insatiable demand for cannabis has created a giant carbon footprint

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It's no secret that the United States' $13 billion cannabis industry is big business. Less obvious to many is the environmental toll this booming...

Economic benefits of protecting nature now outweigh those of exploiting it,...

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The economic benefits of conserving or restoring natural sites "outweigh" the profit potential of converting them for intensive human use, according to the largest-ever...

Research shows we’re surprisingly similar to Earth’s first animals

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The earliest multicellular organisms may have lacked heads, legs, or arms, but pieces of them remain inside of us today, new research shows. According to...