Human evolution: 160,000-year-old fossil may be the first Denisovan skull we’ve found

A partial skull from China represents the earliest human with a “modern” brain size. It could represent an unknown group of ancient humans, or perhaps one of the enigmatic Denisovans Humans 26 January 2022 By Michael Marshall Fragments of a large ancient human skull known as Xujiayao 6 Xiu-Jie Wu,Christopher J.Bae, Martin Friess, Song Xing, … Read more

Clinical-Grade Pig Kidney Transplanted Into Human Patient in Scientific First

For only the second time ever – and the first involving a clinical-grade organ – a genetically modified pig kidney has successfully been transplanted into a brain-dead human body, in a milestone example of xenotransplantation.   Hundreds of thousands of people around the world are trapped in an agonizing wait for a lifesaving organ donation. But there are … Read more

Pig Kidneys Transplanted to Human in Milestone Experiment

It’s an exciting time to be an organ transplant physician. Just two weeks ago, doctors in Baltimore reported completing the first successful transfer of a pig heart into a living human patient. Now pig kidneys might be just around the corner. In late September 2021 a team of researchers transplanted a gene-edited pig’s two kidneys … Read more

We Have Breached The Safe Planetary Limit For Synthetic Chemicals, Scientists Warn

From sea to land to sky, Earth’s systems are contaminated with synthetic substances, and scientists warn it has already pushed the integrity of our planet over the brink. Today, there are about 350,000 human-made chemicals on the market, including plastics, pesticides, industrial chemicals, cosmetic chemicals, antibiotics, and other drugs.   The fact this number continues … Read more

Pill derived from human feces treats recurrent gut infections | Science

For people fighting repeat infections of the diarrhea-causing bacterium Clostridium difficile, fecal microbiota transplant (FMT) offers a proven—if unappetizing—solution. Stool from a healthy donor, usually delivered via colonoscopy, can help restore a balanced community of gut microbes to vanquish the potentially deadly infection. Several companies are eager to achieve the same effect with less invasive, more … Read more

This robot can hike as fast as a human | Science

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Sleep: Unknown voices spark more activity in sleeping brain than familiar ones

Unfamiliar voices seem to put the sleeping brain on alert in a way that familiar voices don’t Humans 17 January 2022 By Jason Arunn Murugesu Electroencephalography (EEG) is used to monitor brain activity Shutterstock / NPS_87 The sleeping brain is more active if it hears unfamiliar voices rather than familiar ones. The finding suggests that … Read more

New head of Indian space agency’s ‘biggest challenge’ will be human spaceflight

The new head of the India Space Research Organisation (ISRO) has an ambitious agenda to put human spaceflight back on track, according to media reports. Shri. Somanath assumed the helm of the agency on Friday (Jan. 14) as ISRO works to help the Gaganyaan human spaceflight program recover from setbacks in part induced by the … Read more

The Earliest Unequivocal Evidence of Our Species May Be Even Older Than We Realized

The course of human evolution never did run smooth. The emergence of hominins on the continent of Africa is full of twists, turns, gaps, and dead ends, which makes it all the more difficult to retrace the rise of our own species.   Today, we still don’t really know when or where the first Homo … Read more

Hungry Hyenas Can Help Human Health

Giggling, sneaky, carrion-scavenging—and good for public health? Hyenas around the Ethiopian city of Mekelle often dine on livestock carcasses. In the process, a new study suggests, they may prevent infections of anthrax and bovine tuberculosis in nearby humans and animals. More than 300,000 people live in Mekelle, along with more than 100,000 head of livestock, … Read more