Reels tagged #science

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Animals

Tardigrades can survive the vacuum of space

These half-millimetre "water bears" dry into a tun state and shrug off radiation, boiling heat and near absolute zero — and have been revived after a space trip.

#animals#space#science

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Human Body

Your brain runs on about 20 watts

Some 86 billion neurons fire constantly, yet the whole brain uses roughly the power of a dim light bulb — while consuming a fifth of your energy.

#humanbody#brain#science

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Space

The first photo of a black hole used an Earth-sized telescope

In 2019 eight radio observatories across the planet were linked into one virtual dish the width of Earth. It imaged M87*, a black hole 55 million light years away.

#wikipedia#space#blackholes#science

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Firsts

The first vaccine came from cowpox

In 1796 Edward Jenner used cowpox to protect against smallpox. The Latin for cow, vacca, is why we call it vaccination at all.

#firsts#science#medicine

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Firsts

The first heart transplant patient lived 18 days

Christiaan Barnard performed the first human heart transplant in Cape Town in December 1967. The surgery worked; pneumonia, worsened by anti-rejection drugs, did not.

#firsts#medicine#science

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Technology

Wi-Fi grew out of radio astronomy

Key patented techniques came from CSIRO researchers in Australia working on signal problems from exploding black holes — maths later used to clean up indoor radio echoes.

#technology#wifi#science