bone

There Are ‘Secret’ Tunnels Connecting Your Skull And The Brain

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Did you know you have tiny tunnels in your head? That’s OK, no one else did either until recently! But that’s exactly what a team of medical researchers confirmed in mice and humans in 2018 – tiny channels that connect skull bone marrow to the lining of the brain.   The research shows they may … Read more

Dinosaur that broke its wrist may have fallen while mating

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A dinosaur bone unearthed in eastern Russia shows evidence of an injury the plant-eater sustained when it fell awkwardly Life 2 March 2022 By Carissa Wong An artist’s reconstruction of Amurosaurus Andrey Atuchin A four-legged duck-billed dinosaur that lived 68 million years ago – in what is now eastern Russia – probably broke its wrist … Read more

Gruesome Skull Discovery Contains The Earliest Evidence of Ear Surgery

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An ancient skull uncovered at a 6,000-year-old megalithic monument in Spain still holds signs of what would have been a brutal ear surgery. Archaeologists suspect the patient probably had a double-sided acute middle ear infection, which can cause earaches and fevers.    Without treatment, fluid can gather behind the eardrum, possibly causing a visible lump … Read more

Scientists Can Now Turn Stem Cells Into Bone Using Nothing More Than Sound

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Stem cells have the superpower of turning into any other kind of cell – a superpower that some animals use to regrow limbs; for medicine, they yield the potential to help us repair parts of the human body that have been damaged by injury or disease.   Carrying out those repairs requires the ability to manipulate stem … Read more

Bat evolution: Subtle change to inner ear bone distinguishes two major groups

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The two major groups of bats diverged tens of millions of years ago, and the main difference between them lies in a tiny inner ear bone Life 26 January 2022 By Michael Marshall The common pipistrelle (Pipistrellus pipistrellus) belongs to the Yangochiroptera group of bats David Cole/Alamy Stock Photo A single bone in the inner … Read more

How a disappearing ear bone turned bats into masters of echolocation | Science

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Bats use sound to hunt a dizzying array of prey. Some zero in on flowers to sip nectar, whereas others find cattle and suck their blood. Many nab insects midflight. One species of bat senses small fish beneath the water and snatches them as osprey do. Now, scientists have discovered an anatomical quirk in the … Read more

This Medieval Italian Man Replaced His Amputated Hand With a Knife

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In 2018, archaeologists described a truly fascinating puzzle. It looks like this medieval Italian man went through life with a knife attached to his arm, in place of his amputated hand.   The skeleton in question was found in a Longobard necropolis in the north of Italy, dating back to around the 6th to 8th centuries … Read more

Human evolution: Ancient hominins may have started hunting 2 million years ago

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Cut marks on animal bones suggest ancient hominins butchered them for their meat, and that they were first on the scene instead of having to scavenge from carnivores like big cats Humans 11 January 2022 By Michael Marshall Notches on a bone left by human butchering activity Jennifer A. Parkinson, Thomas W. Plummer, James S. … Read more

Don’t Forget The Time Scientists Grew ‘Dinosaur Legs’ on a Chicken

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Until recently, one of the biggest myths in science was that all dinosaurs have been extinct for the past 65 million years. But thanks to new fossil discoveries that filled in our knowledge about avian dinosaurs, we now know that only some dinosaurs went extinct following an asteroid collision with Earth – others survived and gave … Read more