Health & Medicine
How a bacterial toxin linked to colon cancer messes with DNA
A closeup look at colibactin’s structure reveals chemical motifs that guide its mutation-wreaking “warheads” to specific stretches of DNA.
All Topics
Chemistry
Earth
Earth
Early Earth’s belly held onto its water
When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, scientists say.
Humans
Health & Medicine
Polar plunges aren’t just for the daring
Bragging rights and an adrenaline rush aren’t the only reasons to start the year with a frigid swim. A dip in icy water builds resilience.
Life
Microbes
This giant microbe organizes its DNA in a surprising way
3-D microscopy shows that the giant bacterium Thiovulum imperiosus squeezes its DNA into peripheral pouches, not a central mass like typical bacteria.
Math
Physics
There’s math behind this maddening golf mishap
Math and physics explain the anguish of a golf ball that zings around the rim of the hole instead of falling in.
Physics
Artificial Intelligence
A quantum trick helps trim bloated AI models
Machine learning techniques that make use of tensor networks could manipulate data more efficiently and help open the black box of AI models.
Science & Society
Psychology
Chatbots spewing facts, and falsehoods, can sway voters
Chatbots that dole out fact-laden arguments can sway voters. Those facts don’t have to be true.
Space
Astronomy
A new hunt for an Earth analog begins
The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an Earth twin.
Tech
Artificial Intelligence
A quantum trick helps trim bloated AI models
Machine learning techniques that make use of tensor networks could manipulate data more efficiently and help open the black box of AI models.
