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Thursday, February 14, 2019

Latest from Science News: Slow sperm may fail at crashing 'gates' on their way to an egg

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02/14/2019

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News

Slow sperm may fail at crashing 'gates' on their way to an egg

Feb 13 2019 2:49 PM

A new study describes how sperm navigate narrow straits in the reproductive tract's obstacle course to reach an egg.

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After 15 years on Mars, it's the end of the road for Opportunity

Feb 13 2019 2:16 PM

After 15 years of exploring Mars, a dust storm led to the demise of NASA's longest-lived rover.

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Photons reveal a weird effect called the quantum pigeonhole paradox

Feb 13 2019 6:00 AM

Quantum particles seem to disobey a fundamental principle of mathematics.

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News in Brief

A new 2-D material uses light to quickly and safely purify water

Feb 12 2019 3:30 PM

A newly designed material uses only light to speedily remove 99.9999 percent of microbes from water.

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News in Brief

Greenland may have another massive crater hiding under its ice

Feb 12 2019 10:06 AM

There may be yet another large crater buried beneath Greenland's ice sheet. But it's probably not related to the first one found last year.

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Feature

Robots are becoming classroom tutors. But will they make the grade?

Feb 12 2019 6:00 AM

Educational robots show promise for helping kids in the classroom or at home, but researchers are still figuring out how these bots should behave.

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Congo's Ebola outbreak is a testing ground for new treatments
Feb 11 2019 3:34 PM

The first multidrug clinical trial of Ebola treatments is underway amid an outbreak in Congo.

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The spread of Europe's giant stone monuments may trace back to one region
Feb 11 2019 3:00 PM

Megaliths spread across the continent due to seafarers' influence, researcher says.

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The -est
A rare, ancient case of bone cancer has been found in a turtle ancestor
Feb 11 2019 6:00 AM

A 240-million-year-old fossil reveals the oldest known case of bone cancer in an amniote, a group that includes mammals, birds and reptiles.

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Feature
Brain-zapping implants that fight depression are inching closer to reality
Feb 10 2019 6:00 AM

Researchers are using electric jolts to correct the faulty brain activity that sparks depression.

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News in Brief
Ultima Thule is shaped like two lumpy pancakes
Feb 08 2019 6:00 PM

Scientists are rethinking the shape of the space rock, once thought to be a snowman.

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An Antarctic expedition will search for what lived under the Larsen C ice shelf
Feb 08 2019 2:59 PM

The fourth attempt to investigate the seafloor once hidden by the Larsen C iceberg may have the best chance yet of success.

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News
Brain scans decode an elusive signature of consciousness
Feb 08 2019 12:23 PM

Newly described patterns of brain activity may help reveal the level of awareness in people with brain injuries.

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Teaser
A new fabric becomes more breathable as you work up a sweat
Feb 08 2019 11:05 AM

A yarn-based textile can switch from breathable to insulating and back again, depending on how much you sweat.

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News
DNA reveals early mating between Asian herders and European farmers
Feb 08 2019 6:00 AM

A new genetic analysis could upend assumptions about the origins of Indo-European languages.

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News in Brief
In some cases, getting dengue may protect against Zika
Feb 07 2019 2:00 PM

A Zika outbreak in a Brazilian slum suggests that the timing of dengue infections may matter for protection against Zika.

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