Science
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![[:es]Birds versus bees: Here are the winners and losers in the great pesticide trade-off[:]](https://katedra.eus/app/uploads/2021/04/bee_1280p_3.jpg)
[:es]Birds versus bees: Here are the winners and losers in the great pesticide trade-off[:]
Farms are battlefields, pitting growers against rapacious pests and aggressive weeds in never-ending, costly campaigns that often involve chemical weapons. Those weapons, alas, also harm innocent bystanders such as bees, […]
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![[:es]Earliest South American migrants had Indigenous Australian, Melanesian ancestry[:]](https://katedra.eus/app/uploads/2021/03/boat_1280p.jpg)
[:es]Earliest South American migrants had Indigenous Australian, Melanesian ancestry[:]
In 2015, scientists discovered something surprising: that some Indigenous peoples in the Brazilian Amazon were distantly—but distinctly—related to native Australians and Melanesians. The genetic signal of Australasian ancestry in so […]
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![[:es]Dark matter could warm the hearts of lonely old planets, scientists predict[:]](https://katedra.eus/app/uploads/2021/03/exoplanet_1280p_1.jpg)
[:es]Dark matter could warm the hearts of lonely old planets, scientists predict[:]
Dark matter might be raising the temperature of planets outside our Solar System, a pair of physicists predicts. Space telescopes already in the works should be able to spot the […]
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![[:es]New generation of carbon dioxide traps could make carbon capture practical[:]](https://katedra.eus/app/uploads/2021/03/ca_0326NID_Full-Size-CarbonStorage_6_online_only.jpg)
[:es]New generation of carbon dioxide traps could make carbon capture practical[:]
Windmills and solar panels are proliferating fast, but not fast enough to stave off the worst of climate change. Doing so, U.N. climate experts say, will also require capturing carbon […]
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![[:es]Ultrasound reads monkey brains, opening new way to control machines with thought[:]](https://katedra.eus/app/uploads/2021/03/Brain_ultrasound_1280x720.jpg)
[:es]Ultrasound reads monkey brains, opening new way to control machines with thought[:]
The most advanced mind-controlled devices being tested in humans rely on tiny wires inserted into the brain. Now researchers have paved the way for a less invasive option. They’ve used […]
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![[:es]Researchers re-create key human embryo stage in lab[:]](https://katedra.eus/app/uploads/2021/03/ca_0319NID_Blastoid_online.jpg)
[:es]Researchers re-create key human embryo stage in lab[:]
A human embryo at the blastocyst stage is smaller than the tip of a ballpoint pen and may contain fewer than 100 cells, but this developmental waypoint has long puzzled […]
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![[:es]New Ebola outbreak likely sparked by a person infected 5 years ago[:]](https://katedra.eus/app/uploads/2021/03/ebolavirus031221.jpg)
[:es]New Ebola outbreak likely sparked by a person infected 5 years ago[:]
An Ebola outbreak in Guinea that has so far sickened at least 18 people and killed nine has stirred difficult memories of the devastating epidemic that struck the West African […]
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![[:es]‘Blinged out’ female ruler may be evidence of powerful women during Bronze Age[:]](https://katedra.eus/app/uploads/2021/03/1_diadem_1280p_1.jpg)
[:es]‘Blinged out’ female ruler may be evidence of powerful women during Bronze Age[:]
As the many broken, battered bodies recovered from ancient burials can attest, the European Bronze Age was a tough time to be alive. Most historians and archaeologists have assumed these […]
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![[:es]Ancient Earth was a water world[:]](https://katedra.eus/app/uploads/2021/03/ca_0312NID_Globe_online.jpg)
[:es]Ancient Earth was a water world[:]
Across the ages, sea levels have risen and fallen with temperatures—but Earth’s total surface water was always assumed to be constant. Now, evidence is mounting that some 3 billion to […]
