91av

Skip to content

Space

There is an odd streak in the universe – and we still don’t know why

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation from the big bang persists even after a new analysis from radio telescopes

News

Space

Exceptional star is the most pristine object known in the universe

News

Life

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

News

Mind

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

News

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

News

Space

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

News

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

News

Environment

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

Acclaimed conservationist and chimpanzee expert Jane Goodall has died, leaving behind a legacy of empathy for primates and the natural world

News

Life

Evolution may explain why women live longer than men

News

Life

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

News

Mind

Autism may have subtypes that are genetically distinct from each other

News

Chemistry

The mystery of highly reactive oxygen has finally been solved

News