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Animals
Explore the expected life spans of different dog breeds
An analysis of dogs in the United Kingdom found that breeds like miniature dachshunds have the longest life spans while bulldogs have the shortest.
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Tech
‘Nuts and Bolts’ showcases the 7 building blocks of modern engineering
Science News reviews Roma Agrawal's book, which updates the classic list of simple machines and reveals the heart and soul of engineering.
By Anna Demming -
Artificial Intelligence
AI chatbots can be tricked into misbehaving. Can scientists stop it?
To develop better safeguards, computer scientists are studying how people have manipulated generative AI chatbots into answering harmful questions.
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Archaeology
A four-holed piece of ivory provides a glimpse into ancient rope-making
The tool, unearthed in Central Europe, suggests that locals made devices for stringing together sturdy cords over 35,000 years ago, researchers say.
By Bruce Bower -
Microbes
Bird flu viruses may pack tools that help them infect human cells
Bringing along their own ANP32 proteins may give avian flu viruses a jump-start on copying themselves to adapt to and infect humans and other animals.
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Physics
A pivotal quantum theory holds up even in extreme electric fields
Quantum electrodynamics, which describes how charged particles and light interact, works in the strong fields around highly ionized uranium atoms.
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Animals
Parrots can move along thin branches using ‘beakiation’
The movement involves swinging along the underside of branches with their beaks and feet, similar to how primates swing between trees.
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Life
Insects flocking to artificial lights may not know which way is up
Insects may use light to figure out where the ground is. Artificial lights send them veering off course, data from high-speed infrared cameras suggests.
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Science & Society
Geneticist Krystal Tsosie advocates for Indigenous data sovereignty
A member of the Navajo Nation, she believes Indigenous geneticists have a big role to play in protecting and studying their own data.
By Joseph Lee -
Health & Medicine
Under very rare conditions, Alzheimer’s disease may be transmitted
Alzheimer’s isn’t contagious. But contaminated growth hormone injections caused early-onset Alzheimer’s in some recipients, a new study suggests.
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Humans
Here’s why COVID-19 isn’t seasonal so far
Human immunity and behavior may be more important than weather for driving seasonality when it comes to COVID-19.
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Climate
Cold, dry snaps accompanied three plagues that struck the Roman Empire
New climate data for ancient Italy point to temperature and rainfall influences on past infectious disease outbreaks.
By Bruce Bower