COVID-19 vaccine

German scientists discover cause of thrombi linked to AstraZeneca vaccine

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A team of researchers at the University of Greifswald in Germany have found the explanation for the cases of thrombi and clotting problems reported in some people who received AstraZeneca's coronavirus vaccine. "We know what...
Comet 21 Borisov

Is comet 21/Borisov the purest interstellar object ever observed?

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In October 2019 astronomers first observed the comet that later came to be called '2I/Borisov'. A somewhat special comet for being the second known to come from another solar system, being an interstellar comet....
Black hole plasma jet

Black holes can launch massive jets of energetic plasma that travel at nearly the...

Black holes don’t just swallow matter. They also spit it out. From their polar regions, they can launch massive jets of energetic plasma that travel at nearly the speed of light, stretch longer than our...
Aedes scapularis mosquitoes

Model warns of new mosquito invasion in Florida

Now that the disease-transmitting mosquito Aedes scapularis has invaded the Florida peninsula, researchers have come up with a method to predict where conditions may be most suitable for its spread. When a new mosquito species...
Herbivorous dinosaurs

Plant-eating dinos took 15 million years to get to Greenland from Brazil

For the first time, researchers have accurately dated the arrival of the first herbivorous dinosaurs in East Greenland. A new study shows extreme climatic conditions slowed down their trek from the southern hemisphere. Their long...
Mars surface

Much of Mars’ ancient water was trapped in its crust, did not go into...

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Mars has not always been the cold, reddish, arid planet we know today. In the past it was much warmer and wetter, as evidenced by dry riverbeds and relict coastlines. There was a time...
ISS batteries disposal space

The ISS has just disposed of 2.9 tonnes of obsolete batteries in space

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This week NASA sent a peculiar order to the astronauts on the International Space Station: release a load of space junk, the largest ever dropped. Nearly three tonnes of old batteries broke loose and...
Sedona native American art

US waged genocidal war against Native Americans

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The United States government was genocidal in wars against Native Americans from the 1600s to the 1900s, a new book argues. Jeffrey Ostler has spent the better part of three decades researching and teaching the...
Dead bird sparrow

Mystery of this summer’s massive bird deaths in the U.S. solved

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Since the end of last August, thousands of birds began to appear dead in various parts of the southern United States. Many people found the carcasses in their yards and gardens, when they went...

The Solar Orbiter makes its first flight over Venus

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The Solar Orbiter of the European Space Agency (ESA) has just carried out its first flight over Venus without problems. It happened at 12:39 GMT on December 27th, 2020. As the distance to Earth...
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