What is listeria? A microbiologist explains the bacterium behind recent deadly food poisoning outbreaks
Bacteria do, and will, end up in food. Everyone eats—intentionally or unintentionally—millions to billions of live microbes every day.
Bacteria do, and will, end up in food. Everyone eats—intentionally or unintentionally—millions to billions of live microbes every day.
Cell & Microbiology
Aug 22, 2022
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5
On the hottest summer days, you may find yourself dozing off in the middle of the day. In some parts of the world, it's a cultural norm to schedule "siestas" and shutter businesses during the warmest hours of the day. As ...
Plants & Animals
Aug 17, 2022
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115
New research based on an expedition to the icy waters off Greenland reveals soaring levels of antifreeze proteins in a species of tiny snailfish, underlying the importance of this unique adaptation to life in sub-zero temperatures. ...
Evolution
Aug 16, 2022
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49
In people, Type 1 diabetes mellitus diagnoses are more common in northern latitudes and during winter. Now a new study shows a similar pattern in dogs.
Plants & Animals
Aug 16, 2022
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73
A Northwestern University astrophysics team is aiming for the stars—well, a dead star, that is.
Astronomy
Aug 11, 2022
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493
Australia is experiencing a national egg shortage. Prices are rising and supermarket stocks are patchy. Some cafes are reportedly serving breakfast with one egg instead of two. Supermarket giant Coles has reverted to COVID-19 ...
Economics & Business
Aug 10, 2022
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8
Warmer waters are flowing towards the East Antarctic ice sheet, according to our alarming new research which reveals a potential new driver of global sea-level rise.
Environment
Aug 3, 2022
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193
Electrons find each other repulsive. Nothing personal—it's just that their negative charges repel each other. So getting them to pair up and travel together, like they do in superconducting materials, requires a little ...
Superconductivity
Aug 1, 2022
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675
Many mammal species living in cold climates tend to have large bodies and short limbs to reduce heat loss—a general pattern known as Bergmann's rule. However, bats are the exception to the rule, displaying small body sizes ...
Plants & Animals
Jul 21, 2022
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154
Life in the Arctic is harsh. Arctic temperatures are punishing, making life difficult for many animals to survive. Yet lots of insects, including mosquitoes, manage to thrive in the frozen region. So why don't they freeze ...
Plants & Animals
Jul 15, 2022
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17