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Discover the latest science and technology news from around the world with 51¶¯Âþ. Read exclusive articles and expert analysis on the newest developments in space, physics, health, technology, the environment and more.

Space

Exceptional star is the most pristine object known in the universe

A star found in the Large Magellanic Cloud is remarkably unpolluted by heavier elements, suggesting it is descended from the universe’s earliest stars

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Life

20 bird species can understand each other’s anti-cuckoo call

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Mind

Kids as young as 4 innately use sorting algorithms to solve problems

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2AGP4K2 FBI Laboratory analysis of Castor Beans used to manufacture the highly poisonous agent Ricin. Ricin (/'ra?s?n/ RY-sin), a lectin (a carbohydrate-binding protein) produced in the seeds of the castor oil plant, Ricinus communis, is a highly potent toxin. A dose of purified ricin powder the size of a few grains of table salt can kill an adult human. The median lethal dose (LD50) of ricin is around 22 micrograms per kilogram of body weight if the exposure is from injection or inhalation (2 milligrams for an average adult).

Technology

Should we worry AI will create deadly bioweapons? Not yet, but one day

Analysis

Environment

Antarctica may have crossed a tipping point that leads to rising seas

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Space

Rogue planet gains 6 billion tonnes per second in record growth spurt

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British primatologist Jane Goodall with a chimp

Life

How Jane Goodall changed the way we see animals – and the world

Comment

Mind

How playing a musical instrument helps children learn to read

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Environment

Jane Goodall, dogged advocate for the natural world, has died aged 91

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Life

Evolution may explain why women live longer than men

In most mammals, females live longer than males, but in birds the trend goes the other way – a study of over 1000 species points to possible reasons for these differences

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Life

See the first-ever Socorro dove to hatch at Whipsnade Zoo

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Mind

Autism may have subtypes that are genetically distinct from each other

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Chemistry

The mystery of highly reactive oxygen has finally been solved

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Space

NASA's asteroid deflection test had unexpected and puzzling outcome

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