Macadens olsoni had a distinctive curved row of teeth known as a crown denticle. Scientists have found the remains of this ancient shark deep within the world’s longest cave system. A newly discovered shark, pulled from the walls of Mammoth…
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A new study from Sweden has found a link between planned caesarean sections and an increased risk of childhood cancer. Should we be concerned? (Photo: Tatyana Dyuvbanova, Getty Images) A new study has found that babies born by planned caesarean…
A study in mice has shown that while some cells that store memories of locations remain unchanged, many of them “drift” over time. (Image credit: imaginima via Getty Images) A new study in mice has found that memories of places…
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In a new study, researchers evaluated two methods for restoring fading memories. (Image credit: Moor Studio via Getty Images) New research suggests half-forgotten memories can be brought back to life through ‘mental time travel’. A study published Monday (July 28)…
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If heart cancer does occur, it can be particularly serious. (Photo: Olga Pankova, Getty Images) Why is heart cancer so rare? – Jackson, 12, Davis, California You probably know someone who suffers from cancer. This disease is caused by uncontrolled…
The earliest known ancestors of opossums appeared more than 65 million years ago. (Photo: Leonid Korchenko/Getty Images) With their beady eyes, large ears, sleek tails, and short, stocky legs, opossums are the defining characteristics of marsupials. Despite their unusual appearance,…
A new report has revealed details of an outbreak of foodborne illness caused by raw milk last year. (Photo: Andrew Fox via Getty Images) A new document says a salmonella outbreak that has affected more than 160 people in California…