News
- Health & Medicine
A new study has linked microplastics to heart attacks and strokes. Here’s what we know
Patients with microplastics in their arteries were 4.5 times more likely to have a heart attack, stroke or die within the next three years.
- Life
During a total solar eclipse, some colors really pop. Here’s why
As a solar eclipse approaches totality and our eyes adjust to dimming light, our color vision changes. It’s called the Purkinje effect.
- Genetics
Here’s why some pigeons do backflips
Meet the scientist homing in on the genes involved in making parlor roller pigeons do backward somersaults.
- Neuroscience
Chickadees use memory ‘bar codes’ to find their hidden food stashes
Unique subsets of neurons in a chickadee’s memory center light up for each distinct cache, hinting at how episodic memories are encoded in the brain.
- Neuroscience
Here’s how magnetic fields shape desert ants’ brains
Exposure to a tweaked magnetic field scrambled desert ants’ efforts to learn where home is — and affected neuron connections in a key part of the brain.
- Earth
Earth’s oldest known earthquake was probably triggered by plate tectonics
Billion-year-old rocks in South Africa hold evidence for the onset of plate tectonics early in Earth’s history.
- Earth
Climate change is changing how we keep time
Polar ice sheets are melting faster, slowing Earth’s spin. That is changing how we synchronize our clocks to tell time.
- Space
A new image reveals magnetic fields around our galaxy’s central black hole
Astronomers have captured polarized light coming from the Milky Way’s central supermassive black hole, giving insight into its magnetic fields.
- Physics
A teeny device can measure subtle shifts in Earth’s gravitational field
No bigger than a grain of rice, the heart of the instrument is the latest entrant in the quest to build ever tinier gravity-measuring devices.
- Paleontology
An extinct sofa-sized turtle may have lived alongside humans
Peltocephalus maturin was one of the biggest turtles ever, but unlike similarly sized prehistoric freshwater turtles, it lived thousands of years ago.
- Animals
By fluttering its wings, this bird uses body language to tell its mate ‘after you’
New observations suggest that Japanese tits gesture to communicate complex messages — a rare ability in the animal kingdom and a first seen in birds.
- Artificial Intelligence
AI learned how to sway humans by watching a cooperative cooking game
New research used the game Overcooked to show how offline reinforcement learning algorithms could teach bots to collaborate with — or manipulate — us.
