Trees

How many species of trees are there on Earth?

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More than 73,000 species of trees worldwide, 14 per cent more than previously thought. 9,000 of which have yet to be discovered. How many species populate the earth is one of the most fundamental questions...
Petrol

This map shows how leaded gasoline was phased out around the globe

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"This is how leaded gasoline was eliminated" is an animated map that shows how - year by year, country by country - leaded gasoline was eliminated from all countries in the world starting in...
Antiseptics

Omicron survives longer on plastics and skin

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A study from Kyoto Prefectural University in Japan has concluded that the omicron variant is able to survive longer on plastic and skin than other SARS-CoV-2 variants, which could help explain the rapid spread...
Surgeons

Xenotransplantation offers hope for thousands of patients, but caution is needed

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A recent succession of three news items has illustrated the good momentum in organ transplantation science: first, in October, the transplantation of a pig kidney to a brain-dead person; then, this same month, the...
Dumb drinking coffee

Elon Musk seeks desperate idiots for a handful of dollars or likes on social...

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Elon Musk's brain implant company Neuralink is now hiring a director of clinical trials, an indication that the company's long-held goal of implanting chips into human brains is getting closer. This new position would be...
Panda bear bamboo

Why are panda bears so fat if they only eat bamboo?

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Despite its kinship with the polar bear or the brown bear, the panda bear enjoys neither meat nor fish. The only thing it likes to eat is bamboo. Lots and lots of bamboo. At...
ISS docking simulator

This online SpaceX simulator is used by NASA and allows you to test your...

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If you've ever wondered what the docking system of SpaceX's Dragon2 spacecraft to the International Space Station (ISS) is like, then watch out, because the online simulator allows you to easily check it out. The...
SBCI Synchron Philip O’Keefe

Paralyzed patient managed to post a tweet via brain-computer interface

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Philip O'Keefe, 62, last Dec. 23 posted a brief initial message, beginning with the classic phrase "Hello world," on Twitter. O'Keefe, like other ALS patients, experienced progressive paralysis, which left him unable to speak earlier...
James Webb space telescope

James Webb, the most powerful telescope in history, to be launched on Friday

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After years of delay, the James Webb Space Telescope will be launched this Friday, December 24, from Kourou, French Guiana. It is the successor to the Hubble telescope, but. much more powerful and capable of...
Ingenuity helicopter

Ingenuity already has 17 flights over Mars, although this last one has given a...

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The small Ingenuity helicopter made another flight on Mars. It was number 17, but while the previous flights had gone smoothly, something unexpected happened on this last one. Communication between Ingenuity and the Perseverance rover...

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