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human sperms

Physics

Sperm caught breaking Newton's third law of motion

Some biological cells swim freely in a way that apparently breaks one of Newton’s laws of motion – but only if they have strange elastic properties

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The National Composites Centre in Bristol, UK

Technology

UK’s fastest supercomputer will be built in a car park in Bristol

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Mind

We forget details when our brain picks the wrong thing to remember

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Male Satin Bowerbird (Ptilonorhynchus violaceus)

Life

Why birds' eyes can be blue, green, pink or orange

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A male lion and a cub

Life

Do animals know that sex leads to babies?

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Space

How to see the Orionid meteor shower in October and November

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Environment

Warm seas blamed for the disappearance of 10 billion snow crabs

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Life

Emergence of huge cicada generation in 2021 led to a caterpillar boom

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NorthPole PCIe printed circuit

Technology

IBM's brain-inspired chip could be the fastest at running AI yet

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Artist's impression of the path the fast radio burst FRB 20220610A took between the distant galaxy where it originated and Earth, in one of the Milky Way's spiral arms (not to scale)

Space

A blast of radio waves hit Earth after travelling for 8 billion years

A huge burst of energy that has been travelling for more than half the age of the universe is powerful enough to microwave a bowl of popcorn twice the size of the sun

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Environment

Climate change will prompt expansion of farming in northern wilderness

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Environment

Hurricanes are growing stronger much faster than they did in the 1970s

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Technology

Hundreds of chatbots could show us how to make social media less toxic

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Technology

UK’s global AI summit must provide solutions rather than suggestions

Analysis