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Tooth analysis reveals ancient Iberian leader was female

6 July 2023

Molecular evidence has revealed that a person buried with lavish goods over 4000 years ago was female, not male as previously thought


, CA - May 26:Aysha-Samon Stokes and her daughter Nyla, 6, watch Midwife Allegra Hill and student Midwife Maryam Karim take the heartbeat of two-week-old Nikko during a postpartum visit to the South Los Angeles birthing center, Kindred Space LA, on Wednesday, May 26, 2021 where he was born on Mothers Day night. With fear of another C-section and fear of the high mortality rate in the hospitals among women like herself Stokes found her midwife in her third trimester. (Photo by Sarah Reingewirtz/MediaNews Group/Los Angeles Daily News via Getty Images)

The maternal death rate in the US has more than doubled since 1999

3 July 2023

The US has seen a sharp rise in deaths during or within one year after pregnancy, with Native American and Black populations at the highest risk


Time appears to run five times slower in the early universe

3 July 2023

A phenomenon called cosmological time dilation means that events taking place in the early universe seem to evolve slower than those today


One third of all vertebrate species are exploited by humans

29 June 2023

An analysis reveals that 14,663 species of birds, mammals, fish, reptiles and amphibians are killed for food, kept as pets or used by humans in some way


Opioids no better than placebo for short-term lower back and neck pain

28 June 2023

People who took the opioid oxycodone or a placebo for six weeks reported similar pain scores for acute discomfort in their lower back or neck


Watch a transforming robot roll, crawl, stand up and fly

27 June 2023

Inspired by the way animals use different modes to get around, a robot known as M4 has appendages that can operate as wheels, hands or propellers


Dolphins 'talk' to their young in a higher pitch, just like humans do

26 June 2023

Female dolphins modify their vocalisations in the presence of their offspring, mirroring the ‘baby talk’ used by humans


Clever design makes sticky tape that's strong but easily removed

22 June 2023

A ‘shocklingly simple’ design based on kirigami, the Japanese art of paper cutting, makes sticky tape 60 times stronger, but easy to peel off in one direction


Nematode worms use electricity to jump onto bumblebees and fly away

21 June 2023

Bees accumulate an electrical charge as they fly through the air, and experiments show that C. elegans worms can exploit this to leap through the air and hitch a ride


Two chimpanzees on Ngamba Island, Uganda

Chimpanzees can prepare for alternative futures

20 June 2023

Our closest relatives, chimpanzees, seem able to think ahead and prepare for two possible futures – the only animal apart from humans known to do so


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