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A blood-based biological age measure may help predict dementia risk and earlier onset, especially for vascular dementia.
Faster biological aging in blood tests was linked to higher dementia risk and younger age of onset in a major UK study.
Mac Oliveauupda
Most Americans say AI needs tougher regulation and expect more harm than benefit over the next decade.
AIAmericans are increasingly concerned about AI – want more regulationShy Cohen
MLB’s torpedo bat is drawing attention for shifting weight and reshaping how hitters think about contact.
InnovationsDo torpedo bats actually give baseball players an edge?Amyn Bhai
Ancient tooth proteins from China suggest Homo erectus may have passed genetic variants into Denisovans and later some humans.
DiscoveriesHomo erectus and modern humans may have more in common than previously thoughtRebecca Shavit
A new study argues T. rex evolved short arms to avoid serious injuries during violent group feeding on carcasses.
DiscoveriesThe surprising reason why T. rex had short armsHannah Shavit-Weiner
New Bayesian analysis reveals hidden detail in black hole ringdowns, including overtones and nonlinear gravitational-wave modes.
SpaceFaint black hole ‘ringing’ provides a sharper test of Einstein’s gravityJoseph Shavit
A new physics model suggests the universe began with a bounce inside a black hole, not a singular Big Bang.
SpaceThe Universe may have begun inside a black hole, not a Big BangJoshua Shavit
Human childbirth may not be unique, a new review finds similar birth risks across many mammals.
HealthHuman childbirth is not uniquely difficult relative to other mammalsHannah Shavit-Weiner
McGill research in mice suggests icing injuries may reduce pain early but delay recovery and prolong pain over time.
HealthIcing injuries prolongs pain and slows recovery, researchers findAmyn Bhai
New research explains why rising CO2 cools the stratosphere even as it warms Earth’s surface.
Green ImpactScientists reveal why the Earth’s upper atmosphere is cooling while the surface is heating upShy Cohen
When two black holes collide and merge, they release gravitational waves.
SpaceStrange ripples in space may point to dark matter near merging black holesJoseph Shavit
Fog sampling equipment set up in a foggy field in Pennsylvania.
Green ImpactNature’s air purifier: Fog is alive and it’s cleaning our airRebecca Shavit
Black hole mergers are helping LIGO tune faulty detectors and sharpen the hunt for gravitational-wave sources.
SpaceGravitational wave detectors can now tune themselves using black holesBreaking Science
A hearing system monitoring this man's brain activity amplifies a conversation played on his left while quieting one on his right, based on which conversation his brainwaves suggest he is paying attention to.
InnovationsBrain-controlled hearing system helps listeners pick out one voice in a crowdJoshua Shavit
Fluorescent imaging of a zebrafish embryo highlights cell populations during early development.
AINew AI tool predicts how cells choose their identityShy Cohen
Artist's rendition of a fully-frozen snowball Earth.
Green Impact‘Snowball Earth’ repeatedly thawed during a 56-million-year ice ageRebecca Shavit
A new cosmology model suggests the universe may be 26.7 billion years old, reshaping how JWST’s earliest galaxies are understood.
SpaceThe universe is significantly older than previously thought, astronomers findJoseph Shavit