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521 notícias encontradas para "science"
Hawaii's famous “happy-face” spider has a surprising relative
Hawaii's famous “happy-face” spider has a surprising relative
A newly discovered Happy-Face spider in the Himalayas closely resembles Hawaii's iconic species but evolved independently, according to DNA evidence. Its mysterious smile-like markings, many color forms, and unexpected link to ginger plants have scientists eager to learn how the
Admin Recifes 15/07/2026 1
Quantum optics may turn this rare visual phenomenon into an eye test
Quantum optics may turn this rare visual phenomenon into an eye test
Modern life depends on quantum physics. It makes technologies such as GPS navigation, MRI scanners and computer chips possible. Now, the same science may also lead to a new way to test the health of our eyes. A University at Buffalo-led team has used a technique from quantum opti
Admin Recifes 15/07/2026 1
This alien planet never has sunrise or sunset. It may support life
This alien planet never has sunrise or sunset. It may support life
A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could circulate in a stable, continuous loop, helping moderate temperatures in certain
Admin Recifes 15/07/2026 1
Carbon–bismuth bonds reveal that relativity blurs the textbook line between sigma and pi b
Carbon–bismuth bonds reveal that relativity blurs the textbook line between sigma and pi b
Brown University chemists have provided direct evidence that upends the textbook explanation of how triple chemical bonds work in heavy elements. In a study published in Science, the researchers show evidence that when atomic nuclei are sufficiently heavy, the principles describe
Admin Recifes 15/07/2026 1
Physicists created a tiny universe where time emerged without a clock
Physicists created a tiny universe where time emerged without a clock
What if time doesn't actually exist until something changes? Scientists at the University of Birmingham created a tiny "mini universe" using 24,000 ultracold atoms and showed that the flow of time can emerge naturally from changes inside a quantum system, without relying on any e
Admin Recifes 15/07/2026 1
Scientists found a longevity diet that helped mice eat more and lose fat
Scientists found a longevity diet that helped mice eat more and lose fat
Scientists found that a modified Mediterranean-style diet with low protein and just enough methionine helped mice live healthier lives while reducing body fat and frailty. Human data also linked lower animal protein intake to lower rates of obesity and Type 2 diabetes, suggesting
Admin Recifes 15/07/2026 1
Scientists just debunked a dangerous baby rattlesnake myth
Scientists just debunked a dangerous baby rattlesnake myth
A new study debunks the long-standing claim that baby rattlesnakes are more dangerous than adults. Researchers found that young rattlesnakes can control their venom just like adults, while adult snakes usually inject much more venom and cause more serious bites. The team also unc
Admin Recifes 15/07/2026 1
The galaxy’s coldest “stars” may actually be alien megastructures
Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien megastructures: a Dyson sphere. The study finds that red dwarfs and white dwarfs are the most promising stars to examine, since advanced civilizations could potentially
Admin Recifes 15/07/2026 1
This frog bacterium wiped out cancer tumors in mice with a single dose
This frog bacterium wiped out cancer tumors in mice with a single dose
A naturally occurring bacterium from amphibian intestines completely eliminated colorectal tumors in mice with a single treatment by both attacking cancer cells and activating the immune system. The findings point to a promising new type of cancer therapy that could one day work
Admin Recifes 15/07/2026 1
Europe's most active volcano may have a secret origin
Europe's most active volcano may have a secret origin
Mount Etna has long puzzled geologists because it doesn't fit any of the three classic ways volcanoes are thought to form. A new study suggests it may instead be fueled by ancient pockets of magma that are pushed upward through cracks created by shifting tectonic plates. If confi
Admin Recifes 15/07/2026 1
We know how to mourn other humans – but what about ecological grief?
In Iceland, people commemorated its first glacier formally declared lost to climate change. Western culture needs more of these ritualsI remember interviewing a North Atlantic right whale expert years ago. He was a practical, science-minded man. But as we discussed a female whale
Admin Recifes 15/07/2026 1
Foto: ARIANE DIAS / Pexels
The biggest problem with solid-state batteries may finally be solved
Researchers solved the mystery of how soft lithium dendrites crack the hard ceramic inside solid-state batteries, triggering short circuits. The breakthrough could help engineers build safer, longer-lasting batteries for smartphones, electric vehicles, and other electronics.
Admin Recifes 15/07/2026 1
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