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A tightly controlled Penn State study finds that small daily portions of lean, unprocessed beef, when eaten in a Mediterranean style pattern rich in fruits, vegetables, and olive oil, did not increase levels of TMAO, an emerging blood marker linked to cardiovascular risk, and even boosted gut microbiome diversity compared with a typical American style menu.
Penn State scientists report that modest lean beef in a Mediterranean style diet did not raise TMAO, a marker tied to heart disease.
Joshua Shavitupda
Ancient DNA from 28 people shows southern Africa hosted a long-isolated branch of humans for hundreds of thousands of years.
DiscoveriesAncient DNA reveals southern Africa’s hidden role in the rise of modern humansMac Oliveau
The inside of the MiniBooNE neutrino detector. A precision test at Fermilab finds no sign of a fourth neutrino, ruling out the simplest sterile model.
DiscoveriesFermilab experiment finds no evidence for a fourth neutrino, ending a long-debated theoryJoshua Shavit
A McGill University team has engineered a new injectable hydrogel that stays in the vocal cords for weeks, resists breakdown, and may help damaged tissue heal instead of scar. If future trials succeed, it could give people who lose their voice a safer, longer lasting way to speak and sing again.
HealthNew injectable gel could help scarred vocal cords sing againRebecca Shavit
Shisei Tei, a researcher at Kyoto University, stresses the importance of accepting death.
AIThe future of human grief in the age of artificial intelligenceShy Cohen
Physicists have worked out exactly how fast time passes on Mars compared with Earth
SpaceTime moves faster on Mars than on Earth, study findsJoseph Shavit
Researchers report a new RNA drug called TY1 improves heart healing in animals by repairing DNA and calming immune cells after heart attacks.
HealthExperimental RNA drug helps hearts heal after heart attacksJoseph Shavit
Fossils from Venezuela reveal anacondas grew huge 12 million years ago and never shrank, surviving climate shifts that erased other giants.
DiscoveriesAnacondas became giants long before humans walked the EarthJoseph Shavit
Researchers boosted stem cells to share extra mitochondria with failing cells, restoring energy and cutting damage in lab tests.
HealthScientists recharge and repair human cells using donated mitochondriaMac Oliveau
Researchers led by Shinghua Ding have uncovered MINA syndrome, a rare genetic disorder where a NAMPT mutation cripples energy production in motor neurons. The result is a slow loss of muscle strength and balance, but the work also points to new ways to protect nerve cells by restoring their energy supply.
HealthResearchers diagnose previously unknown cellular health condition called MINA syndromeJoshua Shavit
Some ant pupae sense when they are dying and send a signal that leads to their own destruction, saving the nest from deadly disease.
HealthDying for the nest: Sick ants choose the colony over lifeRebecca Shavit
Physicists from research groups at the University of Stuttgart, Saarbrücken, and Dresden conducting an experiment on quantum teleportation (from left to right: Tobias Bauer, Marlon Schäfer, Caspar Hopfmann, Stefan Kazmaier, Tim Strobel, and Simone Luca Portalupi).
InnovationsScientists achieve first-ever quantum teleportation between separate semiconductor chipsShy Cohen
Researchers have identified 16 huge river networks on ancient Mars that carried nearly half of the planet’s sediment and may mark the best places to search for signs of life.
SpaceScientists discover 16 giant river networks on ancient Mars where life could have thrivedJoseph Shavit
The illustration shows a cutaway revealing the interior of early Earth with a hot, melted layer above the boundary between the core and mantle. Scientists think some material from the core leaked into this molten layer and mixed in. Over time, that mixing helped create the uneven structure of Earth’s mantle that we see today.
DiscoveriesMysterious structures within Earth’s mantle may explain why we existMac Oliveau
A long-dead volcano in the western U.S. may contain more lithium than any site on Earth.
Green ImpactWorld’s largest lithium deposit discovered in the US along the Nevada – Oregon borderJoseph Shavit
A Johns Hopkins AI tool now guides medical students during suturing practice, pointing to a future where robots and software reshape surgery and training.
AIThe future of surgery is learning from machinesShy Cohen
Humpbacks once hovered near extinction. A new Arctic study reveals how switching food sources helped them rebound and thrive.
Green ImpactHumpback whales are making a major comeback – here’s whyRebecca Shavit