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Scientists may have discovered a usable source of electrical power within cells
1+ day, 2+ hour ago (1029+ words) New research suggests cell membranes may generate electrical energy through active motion, reshaping how biology powers itself. (CREDIT: AI-generated image / The Brighter Side of News) Cells do more than carry out chemical reactions. New theoretical work suggests they may also…...
Spray on polymer shield helps plants fight bacteria and survive drought
1+ week, 3+ day ago (1113+ words) On a warming planet, your food supply depends on crops that can survive heat, drought and fast spreading disease. Now engineers at the University of California San Diego have built a spray on shield for plants that could help them…...
Ancient salt reveals a clear view of Earth’s atmosphere from 1.4 billion-years-ago
1+ week, 4+ day ago (902+ words) Tiny air bubbles trapped in ancient salt crystals are offering the clearest view yet of Earth's atmosphere a billion years ago. (CREDIT: NASA) Researchers at Rensselaer Polytechnic Institute have now opened that archive. The team was led by graduate student…...
Living hydrogel grown by fungi could revolutionize wound healing
1+ week, 6+ day ago (792+ words) Living fungi grow a self-assembling hydrogel that mimics human tissue. (CREDIT: Shutterstock) When you think about materials used in medicine, you likely picture metals, plastics, or synthetic gels. Researchers at the University of Utah are asking you to imagine something…...
Scientists use atomic switches to reliably connect individual molecules to electrodes
2+ week, 18+ hour ago (783+ words) Researchers in Japan have created silver based atomic switches that trap an acetylene molecule between metal atoms and let it carry current. The junctions form at about 0.3 volts and show clear molecular vibrations and quantized conductance, pointing toward scalable molecular…...
Researchers convert recycled household plastics into anti-cancer medication
2+ week, 6+ day ago (905+ words) You see PET plastics every day, even if you do not notice them. They show up as drink bottles, food packaging, and synthetic fabrics. More than 80 million tons of PET, short for polyethylene terephthalate, are produced each year. A lot…...
A heat-loving amoeba smashes the temperature record for complex life
3+ week, 4+ day ago (879+ words) Scientists have discovered a single-celled amoeba that grows at temperatures once thought impossible for complex life, pushing the known limits of eukaryotic survival. (CREDIT: Wikimedia / CC BY-SA 4.0) Scientists had previously assumed that no eukaryotic life could survive temperatures above approximately…...
Life may have begun in sticky gels long before the first cells formed
3+ week, 6+ day ago (1181+ words) New research suggests life began in sticky gels that protected early chemistry before cells existed. (CREDIT: ChemSystemsChem) For decades, scientists have searched for clues to how life first emerged on Earth. Many theories focus on simple molecules reacting in water…...
Neutrinos may explain why anything exists at all, study finds
1+ mon, 4+ day ago (853+ words) The Universe should not exist. At least, not according to simple physics. After the Big Bang, equal parts matter and antimatter should have formed, then wiped each other out in flashes of energy. Instead, matter won. Stars, galaxies and people…...
Fermilab experiment finds no evidence for a fourth neutrino, ending a long-debated theory
1+ mon, 6+ day ago (849+ words) 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. (CREDIT: Wikimedia / CC BY-SA 4.0) Now one of the most careful tests yet says that simple…...