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“Potentially catastrophic” Hurricane Maria set to strike Puerto Rico
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Enlarge / Hurricane Maria's satellite appearance on Tuesday evening. (credit: NOAA)

Only one Category 5 hurricane has ever made landfall on the island of Puerto Rico, an unincorporated territory of the United States. That was the

arstechnica.com/?p=1170201
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Quantum computers reach deeper, find ground state of simple hydrides
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Enlarge (credit: IBM)

Every time we discuss quantum computers, the headline tends to be that someone, somewhere is going to use the quantum to break your encryption and steal your student loan. If only that were true. But it is probably more realistic ...

arstechnica.com/?p=1166803
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We’re building roads to withstand last century’s climate
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Enlarge (credit: Wikimedia Commons)

Does it make sense to build something that will almost certainly end up wrecked before its useful lifetime is over? In most contexts, the answer is clearly "no," since d...

arstechnica.com/?p=1170147
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FDA slams EpiPen maker for doing nothing while hundreds failed, people died
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Enlarge / Drugs. (credit: Getty | Joe Raedle)

The manufacturer of EpiPen devices failed to address known malfunctions in its epinephrine auto-injectors even as hundreds of customer complaints rolled in and fa...

arstechnica.com/?p=1161029
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Wild dogs in Africa engage in unmistakable voting behavior
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Neil Jordan

Though humans like to think of themselves as the only creatures on Earth who vote on what to do, they aren't. Many social animals engage in consensus-seeking behavior, from meerkats to honeybees to Capuchin monkeys. In these species and more, members of the group weigh in about what their next move should be.

Now, a new study...

arstechnica.com/?p=1159007
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Cuckoo calls sound like hawks to distract the birds they’re preying on
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Enlarge / This reed warbler hasn't cottoned on yet. (credit: Per Harald Olsen / Wikimedia Commons)

Cuckoos are nest parasites. That means they lay eggs in the nests of other birds,...

arstechnica.com/?p=1160715
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Opioid maker posed as doctor’s office, lied to push deadly opioid on patient
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Enlarge (credit: Getty | Drew Angerer )

Opioid makers have been accused—and in many cases convicted—of doing all sorts of shady things to get people on

arstechnica.com/?p=1160443
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CDC: Homeopathic “healing bracelet” poisons baby with high levels of lead
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Ancient fish skulls shake up the vertebrate evolutionary tree
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Enlarge / The skull of a 250 million year old fossil fish and a virtual model of its internal skeleton, along with a life reconstruction. (credit: Andrey Atuchin)

Around 400 million years ago, the world was warm. Animals were beginning to emerge from the oceans, and plants began to spread across ...

arstechnica.com/?p=1157135
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The Babylonians discovered a strange form of trigonometry
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Enlarge / The 3,700-year-old Babylonian tablet known as Plympton 322 turned out to be a trig table, expressed in ratios of the lengths of the sides of the triangles, rather than angles. (credit: UNSW/Andrew Kelly)

The Babylonian civilization was at its peak roughly 4,000 yea...

arstechnica.com/?p=1153391