Animals
Lions have a second roar that scientists have only just discovered
This insight from machine-learning analyses of recordings of calls in the wild might help detect where lions are declining.
By Elie Dolgin
Engineering Design
More Stories in Engineering Design
- Brain
Scientists Say: Hallucination
Humans are not the only ones who can hallucinate. When a chatbot confidently generates a plausible but incorrect response, this error is called a hallucination.
- Artificial Intelligence
Chatbots may make learning feel easy — but it’s shallow
People who use search engines gain deeper knowledge and care more about what they learn than those who rely on AI chatbots, a new study finds.
- Materials Science
‘Stenciling’ tiny gold particles gives them new properties
Decorating nanoparticles with other chemicals could give them useful properties for medicines, textiles and more.
- Science & Society
Linking science to dance, culture and more expands who can take part
Through movement, sound, culture and community, some researchers are expanding the ways we learn, think about and communicate science and engineering.
- Physics
Chopping an onion? Sharp knives can keep its juice out of your eyes
Slow and steady cuts with a sharp blade, video shows, can reduce the pain-inducing spray of tiny onion-juice droplets by more than 100 feet!
- Artificial Intelligence
AI can now write working genetic instruction books from scratch
Two AI models designed these genomes for viruses that kill E. coli bacteria. They’re the first functioning full sets of DNA ever designed by machines.
- Tech
Origami folds let paper support 9,000 times its weight, teen finds
Miles Wu, 14, tested the strength of different ‘Miura-Ori’ origami folds and showed they might be useful in the design of pop-up emergency shelters.
- Science & Society
This game designer shares neurodivergent experiences through gaming
Inspired by her own experiences, Susannah Emery designs games that raise awareness about neurodivergence and social issues.
- Physics
Here’s how to levitate something without magic
Levitation may seem like fantasy. But all it takes is a little physics — and sound waves, magnetism or electricity.
