All Stories
- Humans
Staying on the keto diet long term could carry health risks
Months on a high-fat keto diet put mice at risk for cardiovascular disease and impaired insulin secretion.
- Particle Physics
A primordial black hole may have spewed the highest energy neutrino ever found
The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.
- Animals
Bats live with some viruses. But others can do them in
Bats can carry some deadly human pathogens without signs of illness. A new survey shows that other viruses can still be bad for bats.
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Math puzzle: The four islands
Solve the math puzzle from our October 2025 issue, in which four princesses divide up lands to keep peace.
- Health & Medicine
A handheld ‘bone printer’ shows promise in animal tests
Demonstrated in rabbits, the 3-D printer might someday print bone grafts directly onto fractures, complete with antibiotics to ease healing.
- Animals
Tug or fetch? Some dogs sort toys by how they are used
Dogs that easily learn the names of toys might also mentally sort them by function, a new example of complex cognitive activity in the canine brain.
- Health & Medicine
Why are so many young people getting cancer?
Diagnoses for several cancers before age 50 have been increasing rapidly since the 1990s. Scientists don’t know why, but they have a few suspects.
- Health & Medicine
Cancer patients froze reproductive tissue as kids. Now they’re coming back for it
Saving reproductive tissue from kids treated for cancer before adolescence could give them a chance at having biological children later in life.
- Health & Medicine
Brains don’t all act their age
A slew of new research attempts to zero in on what happens as our brains get older — and what can bring about those changes early.
- Health & Medicine
A new drug shows promise for hard-to-treat high blood pressure
Results from a large trial suggest baxdrostat could provide a new option for people whose blood pressure remains high despite standard treatment.
- Health & Medicine
COVID-19 is still a threat, but getting a vaccine is harder for many people
Vaccination is still important to ward off the worst of the coronavirus. Three experts discuss the concerns with restricting access.
- Psychology
People with ADHD may have an underappreciated advantage: Hypercuriosity
ADHD is officially a disorder of deficits in attention, behavior and focus. But patients point out upsides, like curiosity. Research is now catching up.
