News
- Artificial Intelligence
Are AI chatbot ‘personalities’ in the eye of the beholder?
Defining AI chatbot personality could be based on how a bot “feels” about itself or on how a person feels about the bot they’re interacting with.
By Sujata Gupta - Quantum Physics
Quantum mechanics was born 100 years ago. Physicists are celebrating
Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.
- Planetary Science
The moon’s two grand canyons formed in less than 10 minutes
Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.
- Health & Medicine
Plastic shards permeate human brains
A study of microplastics and nanoplastics in brains shows an astonishing increase over time.
- Anthropology
An African strontium map sheds light on the origins of enslaved people
While genetic tests can reveal the ancestry of enslaved individuals, strontium analysis can now home in on where they actually grew up.
- Health & Medicine
A new kind of non-opioid painkiller gets FDA approval
The new drug, called Journavx, is a non-opioid for treating short-term moderate to severe pain.
- Animals
Hotter cities? Here come the rats
Well, rats. A study of 16 cities shows that higher ambient temperatures and loss of green space are associated with increasing rodent complaints.
- Earth
Ancient rocks reveal when rivers began pouring nutrients into the sea
Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.
- Animals
Wild baboons don’t recognize themselves in a mirror
In a lab test, chimps and orangutans can recognize their own reflection. But in the wild, baboons seemingly can’t do the same.
- Neuroscience
Scratching an itch is so good, and so bad
The motion kicks off inflammation but may also combat harmful bacteria
- Particle Physics
A tiny neutrino detector scored big at a nuclear reactor
A compact method of detecting neutrinos provides new tests of physics theories and could lead to new reactor-monitoring methods.
- Animals
Feeding sharks ‘junk food’ takes a toll on their health
Many blacktip reef sharks in French Polynesia are commonly fed by tourists. But the low-quality diet is changing the sharks’ behavior and physiology.
By Jake Buehler