Katie Hunt
Katie Hunt
Health and science writer @CNNi Digital in London. Past: @CNNi @BBC @Reuters in Hong Kong. Retweets not endorsements.Source
London, England
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This fossil reveals how dinosaurs peed, pooped and had sex

This fossil reveals how dinosaurs peed, pooped and had sex

(CNN)We know a lot about dinosaurs -- what and -- but no fossils have definitively preserved two dinosaurs in the act of mating.However, a fossil from China of a Psittacosaurus is so well preserved that the opening the Labrador-size dinosaur used to pee, poop and reproduce is visible, allowing paleontologists to study it for the first time.While it doesn't offer any concrete answers on how dinosaurs may have procreated, it does give some hints. "We don't have any dinosaur fossils where you can be confident they've been caught in the act," said Jakob Vinther, a paleontologist and senior...

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Katie Hunt
Jan 19
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A warty pig painted on a cave wall 45,500 years ago is the world's oldest depiction of an animal

A warty pig painted on a cave wall 45,500 years ago is the world's oldest depiction of an animal

Published 13th January 2021Credit: Maxime AubertA warty pig painted on a cave wall 45,500 years ago is the world's oldest depiction of an animal The world's oldest known figurative artwork has been discovered in a cave in Indonesia -- an endearing image of a warty pig. Archaeologists working on the site on the island of Sulawesi said the cave art was at least 45,500 years old. It is also thought to be the oldest surviving image of an animal. Painted using red ocher pigment, the animal appears to be observing a fight or social interaction between two other warty pigs.This region is home to...

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Katie Hunt
Jan 13
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A warty pig painted on a cave wall 45,500 years ago is the world's oldest depiction of an animal

A warty pig painted on a cave wall 45,500 years ago is the world's oldest depiction of an animal

Published 13th January 2021Credit: Maxime AubertA warty pig painted on a cave wall 45,500 years ago is the world's oldest depiction of an animal The world's oldest known figurative artwork has been discovered in a cave in Indonesia -- an endearing image of a warty pig. Archaeologists working on the site on the island of Sulawesi said the cave art was at least 45,500 years old. It is also thought to be the oldest surviving image of an animal. Painted using red ocher pigment, the animal appears to be observing a fight or social interaction between two other warty pigs.This region is home to...

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Katie Hunt
Jan 13
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Dinosaur sported impressive mane and had ribbons protruding from its shoulders

Dinosaur sported impressive mane and had ribbons protruding from its shoulders

(CNN)A newly identified dinosaur was about the size of a chicken, sported an impressive mane and had stiff, ribbon-like structures protruding from its shoulders.The unusual fossil was found in Brazil and is the first of its type from South America to show evidence of feathers. The authors of the study think that the elaborate plumage would have been used for display and implied the dinosaur had sophisticated mating behavior."If confirmed, this find will be a significant discovery for two reasons: the first feathered dinosaur from southern continents and a bizarre display structure in a...

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Katie Hunt
Dec 15
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'Unprecedented' high-res image of sunspot captured by new solar telescope

'Unprecedented' high-res image of sunspot captured by new solar telescope

Sunspots -- dark areas on the sun -- help scientists track activity on the surface of our solar system's star. These dark spots are the origin point for the explosive flares and ejections that release light, solar material and energy into space. This "space weather" caused by the sun is important to understand because it can impact the power grid, satellites, GPS, airlines, rockets and astronauts working in space. The National Science Foundation's Daniel K. Inouye Solar Telescope, a new solar observatory based in Hawaii, has released its first image of the sun, which captures that activity...

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Katie Hunt
Dec 8
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China lands probe on surface of the moon and collects lunar soil

China lands probe on surface of the moon and collects lunar soil

(CNN)China has successfully landed a lunar probe on a previously unexplored area of the moon.The robotic spacecraft, named Chang'e 5 after the mythical Chinese goddess of the moon, drilled into the surface of the moon to collect soil early Wednesday. It will remain on the moon collecting soil and rock samples until Thursday, guided by mission control on the ground, China's state-run news agency Xinhua reported. It's the first attempt to collect rocks from the moon by any country since the 1970s. The samples, expected to weigh about 2 kilograms (4.5 pounds), will be sealed into a container...

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Katie Hunt
Nov 24
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Neanderthals may have used their hands differently from humans

Neanderthals may have used their hands differently from humans

(CNN)If you were to greet a Neanderthal with a handshake, it might feel a little awkward. The digits of the Stone Age people, who went extinct about 40,000 years ago, were much chunkier than ours. What's more, a Neanderthal's thumb would have stuck out from his hand at a much wider angle. "If you were to shake a Neanderthal hand you would notice this difference," said Ameline Bardo, a postdoctoral research fellow at the University of Kent's School of Anthropology and Conservation in the United Kingdom."There would be confusion over where to place the thumb, and for a thumb fight I think you...

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Katie Hunt
Nov 27
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Scientists discover possible new organ in the human throat

Scientists discover possible new organ in the human throat

(CNN)It's hard to imagine there is a part of the human body that's gone unnoticed by doctors after centuries of medical research.But that's exactly what a group of scientists from the Netherlands believe. They said they have discovered a pair of previously overlooked glands that are hidden away in our skulls where the nasal cavity and the throat meet.The medical researchers first came across the body part, which they propose naming tubarial glands, during a scan designed to look for tumorous growths. The scientists then looked at scans of the head and neck of a further 100 individuals they...

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Katie Hunt
Oct 21
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Nobel Prize in Chemistry awarded to scientists who discovered CRISPR gene editing tool for 'rewriting the code of life'

Nobel Prize in Chemistry awarded to scientists who discovered CRISPR gene editing tool for 'rewriting the code of life'

(CNN)The in Chemistry has been awarded to Emmanuelle Charpentier and Jennifer A. Doudna for the development of a method for genome editing. They discovered one of gene technology's sharpest tools: the CRISPR/Cas9 genetic scissors. Using these, researchers can change the DNA of animals, plants and micro-organisms with extremely high precision.Before announcing the winners on Wednesday, Göran K. Hansson, secretary-general for the Royal Swedish Academy of Sciences, said that this year's prize was about "rewriting the code of life."The CRISPR/Cas9 gene editing tools have revolutionized the...

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Katie Hunt
Oct 7
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Massive mystery holes appear in Siberian tundra — and could be linked to climate change

Massive mystery holes appear in Siberian tundra — and could be linked to climate change

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)A Russian TV crew flying over the Siberian tundra this summer spotted a massive crater 30 meters (100 feet) deep and 20 meters wide -- striking in its size, symmetry and the explosive force of nature that it must have taken to have created it. Scientists are not sure exactly how the huge hole, which is at least the ninth spotted in the region since 2013, formed. Initial theories floated when the first crater was discovered near an oil and gas field in the Yamal Peninsula in northwest Siberia...

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Katie Hunt
Sep 4
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Beavers are gnawing away at the Arctic permafrost, and that's bad for the planet

Beavers are gnawing away at the Arctic permafrost, and that's bad for the planet

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)The beaver may be an unlikely agent of climate change, but the cuddly-looking creatures are transforming the Arctic landscape in a way that could be exacerbating global warming, a new study has suggested. With their sharp teeth, beavers fell trees and shrubs and build dams, which flood small valleys and form new lakes that can cover several hectares of land. These new water bodies contribute to the thawing of the frozen permafrost soil, which is a huge natural reservoir of methane — a potent...

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Katie Hunt
Jun 29
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Scientists have created mini brains containing Neanderthal DNA

Scientists have created mini brains containing Neanderthal DNA

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)We now know that many of us are with our genes carrying traces of past encounters between our early ancestors and the Stone Age hominins that populated Europe until around 40,000 years ago. The evidence that early humans interbred with Neanderthals emerged in 2010 after scientists led by pioneered methods to extract, sequence and analyze ancient DNA from Neanderthal bones and mapped their genome in detail. Now, a team of European researchers has taken that science to the next level, growing blobs...

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Katie Hunt
Feb 19
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Probiotics don't do much for most people's gut health, review finds

Probiotics don't do much for most people's gut health, review finds

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)Whether contained in yogurt or stuffed into capsules and sold on pharmacy shelves, probiotics are popular among the health conscious, with millions of people around the world thought to use them.But a new report from the American Gastroenterological Association said that these so-called good bacteria don't do much for gut health — including digestive conditions like Crohn's disease, ulcerative colitis or irritable bowel syndrome."For the majority of the digestive diseases we studied, currently...

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Katie Hunt
Aug 16
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Scientists say they may have found a skinny gene

Scientists say they may have found a skinny gene

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Hide Caption 1 of 16 Hide Caption 2 of 16 Hide Caption 3 of 16 Hide Caption 4 of 16 Hide Caption 5 of 16 Hide Caption 6 of 16 Hide Caption 7 of 16 Hide Caption 8 of 16 Hide Caption 9 of 16 Hide Caption 10 of 16 Hide Caption 11 of 16 Hide Caption 12 of 16 Hide Caption 13 of 16 Hide Caption 14 of 16 Hide Caption 15 of 16 Hide Caption 16 of 16 (CNN)We all know the type. They can eat all they want, spend zero time at the gym and don't put on an ounce. Now, according to new preliminary research published...

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Katie Hunt
May 21
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Prehistoric monkeys rafted across the Atlantic to South America

Prehistoric monkeys rafted across the Atlantic to South America

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)A crew of now-extinct monkeys made a treacherous transatlantic journey on a natural raft from Africa to settle in South America around 35 million years ago, according to a study of fossilized teeth found in Peru. It's believed the prehistoric Ucayalipithecus monkeys made the more than 900-mile trip across the Atlantic (a narrower ocean at the time) on floating islands of vegetation that broke off from coastlines, possibly during a tropical storm."It would have been extremely difficult, though very...

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Katie Hunt
Apr 9
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Skull of smallest known dinosaur found preserved in 99-million year-old amber

Skull of smallest known dinosaur found preserved in 99-million year-old amber

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)The complete skull of a previously unknown species of bird-like dinosaur has been discovered trapped in a chunk of 99-million-year-old amber.Smaller than the size of the tiniest hummingbird alive today, its head was the size of a thumbnail, its jaw packed with serrated teeth and its eyes bulging and lizard-like. Despite its teeny-tiny stature, the creature was likely a predator. The researchers said the fossil, named Oculudentavis, represented the smallest dinosaur ever found."When I first saw...

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Katie Hunt
Mar 11
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These plastic-chomping caterpillars can help fight pollution

These plastic-chomping caterpillars can help fight pollution

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. (CNN)The tiny waxworm went from zero to hero in 2017 when researchers discovered The creature can chomp through plastic, even polyethylene, a common and non-biodegradable plastic currently clogging up landfills and seas.Now scientists have a much better understanding of how the grub is able to do this -- and it comes down to its gut bacteria or microbiome. The findings, which were published in the journal Proceedings of the Royal Society B Tuesday, could guide efforts to find an effective...

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Katie Hunt
Mar 7
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Replace red meat with plant protein or dairy to live longer, two new studies suggests

Replace red meat with plant protein or dairy to live longer, two new studies suggests

Need more reasons to start trying meat-free Mondays? How about going full vegetarian?According to the results of two preliminary studies, eating more protein from plant sources or dairy while reducing how much red meat you consume could help you live longer.Plant proteins include soybeans (edamame), chickpeas, lentils and other legumes, tofu, tempeh, nuts, seeds and whole grains like quinoa. Some vegetables, like broccoli, also contain higher levels of protein.In the first study, which tracked more than 37,000 Americans with an average age of 50, those who ate the most plant protein were...

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Katie Hunt
Mar 7
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A rare disease among children is discovered in a 66-million-year-old dinosaur tumor

A rare disease among children is discovered in a 66-million-year-old dinosaur tumor

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Hide Caption 1 of 122 Hide Caption 2 of 122 Hide Caption 3 of 122 Hide Caption 4 of 122 Hide Caption 5 of 122 Hide Caption 6 of 122 Hide Caption 7 of 122 Hide Caption 8 of 122 Hide Caption 9 of 122 Hide Caption 10 of 122 Hide Caption 11 of 122 Hide Caption 12 of 122 Hide Caption 13 of 122 Hide Caption 14 of 122 Hide Caption 15 of 122 Hide Caption 16 of 122 Hide Caption 17 of 122 Hide Caption 18 of 122 Hide Caption 19 of 122 Hide Caption 20 of 122 Hide Caption 21 of 122 Hide Caption 22 of 122 Hide...

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Katie Hunt
Feb 13
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