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218 notícias encontradas para "brain"
Ancient hobbit-like humans may have survived on meat left behind by Komodo dragons
Ancient hobbit-like humans may have survived on meat left behind by Komodo dragons
Arguably one of the most curious ancient human relatives is Homo floresiensis, a 3-foot-tall species that lived on the Indonesian island of Flores and has been nicknamed "hobbit" for its diminutive stature. Even though they had small brains, scientists had thought they were surpr
Larger brain, smaller face: Human evolution took a different course than previously though
A new study, published July 6, 2026, in the journal Nature Communications, suggests that two of the best-known trends in human evolution—brain growth and the reduction in the size of the face and jaw—may be far less attributable to directed natural selection than scientists have
Astronomers spot an extremely rare galaxy mega-merger
Astronomers spot an extremely rare galaxy mega-merger
Scale in the universe is hard to understand from a purely human perspective. Many times, the math just doesn't sit well with our brains, which evolved to capture and process data about the world around us rather than grok the complexities of stellar dynamics and galaxy mergers. B
Early parenting shapes the brain and socio-sexual behavior, rodent study shows
Past psychology studies have consistently highlighted the importance of social bonds for survival, showing that enduring relationships are linked with a longer life expectancy, a more resilient immune system, better cardiovascular health and a lower risk of psychiatric conditions
If so many people live with toxoplasmosis, how dangerous is this brain parasite really? Sh
About 1 in 3 people worldwide have been infected with a microscopic parasite called Toxoplasma gondii—or simply "toxo"—which can cause toxoplasmosis. After the initial infection, toxo settles into our muscles and brains, where it can remain for life.
Second pregnancy changes the brain in surprising new ways
Researchers found that every pregnancy rewires the brain in its own way, with a second pregnancy bringing a different pattern of changes than the first. The discoveries could lead to better ways to recognize and treat maternal mental health challenges, including peripartum depres
Saturday Citations: Blue zone longevity; soft tissue find predates dinosaurs; black hole c
This week, researchers reported finding nanoplastics in Antarctic soils for the first time, suggesting they were delivered via long-range atmospheric transport. A study associates the use of hormonal birth control with the risk of brain tumors. And researchers developed a new dru
In my years of spearfishing, I’ve never encountered more sharks than now. But I know where
In my years of spearfishing, I’ve never encountered more sharks than now. But I know where
Below the surface is one of the only places I can switch my brain off. Coming face to face with a shark comes with the territory – and we all have to adapt to this new normalThe first time I came face to face with a great white shark I felt something shift inside me. One look int
Yale scientists may have found how Parkinson's disease spreads through the brain
Yale scientists may have found how Parkinson's disease spreads through the brain
Yale scientists discovered two neuron surface proteins that appear to help spread the toxic protein linked to Parkinson’s disease. Blocking these proteins in mice dramatically reduced disease progression, offering a potential new target for future therapies.
At last, a proper excuse for monoglots to learn another language: it helps keep your brain
At last, a proper excuse for monoglots to learn another language: it helps keep your brain
I love busting out a French subjunctive in pursuit of better restaurant service, so it’s a joy to discover there’s a neuroscientific upside to being multilingualIt’s hard to pick a favourite PG Wodehouse line, but the one I’m perhaps most fond of is this: “Into the face of the yo
Scientists discover how the brain rewires itself to truly multitask
Scientists discover how the brain rewires itself to truly multitask
Practice may do more than make perfect. Researchers found that extensive training physically reorganizes the brain, allowing learned tasks to bypass the prefrontal cortex and run through specialized circuits instead. By freeing the brain's "thinking" center, people became better
Alzheimer's tau protein has a surprising secret role in memory
Alzheimer's tau protein has a surprising secret role in memory
Researchers found that tau is essential for turning new experiences into lasting memories by helping organize the brain's memory-storing cells. The mouse study also revealed how abnormal tau may contribute to Alzheimer's by disrupting both the formation of new memories and the re