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Animals
This egg-laying amphibian feeds its babies ‘milk’
Similar to mammals, this caecilian — an egg-laying amphibian — makes a nutrient-rich, milk-like fluid to feed its babies up to six times a day.
By Jake Buehler -
Questions for ‘How to design artificial intelligence that acts nice — and only nice’
Questions for ‘How to design AI that acts nice — and only nice’
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Artificial Intelligence
How to design artificial intelligence that acts nice — and only nice
Today’s bots can’t turn against us, but they can cause harm. “AI safety” aims to train this tech so it will always be honest, harmless and helpful.
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Artificial Intelligence
‘Jailbreaks’ bring out the evil side of chatbots
Researchers break chatbots in order to fix them. This so-called red-teaming is an important way to improve AI’s behavior.
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Chemistry
Turning jeans blue with sunlight might help the environment
When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.
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Questions for ‘Turning jeans blue with sunlight might help the environment’
Questions for 'Turning jeans blue with sunlight might help the environment'
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Animals
Among mammals, males aren’t usually bigger than females
In a study of more than 400 mammal species, less than half have males that are heavier than females.
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Earth
Scientists Say: Supercontinent
These gigantic landmasses form when much of Earth’s landmass smashes together.
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Questions for ‘A new tool could guard against deepfake voice scams’
Questions for ‘A new tool could guard against deepfake voice scams’
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Artificial Intelligence
A new tool could guard against deepfake voice scams
Scammers can use AI to create deepfake mimics of people’s voices. AntiFake could make that type of trick much harder to pull off.
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Health & Medicine
A new type of immune cell may cause lifelong allergies
These special memory cells were present in people with allergies and absent in those without.
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Microbes
What the weird world of protists can teach us about life on Earth
Microbes vastly outnumber multicellular life on Earth. A close-up look at protists highlights how much we don't know about the microscopic world.
By Susan Milius