All News
Phys.org / How did Bronze Age plague spread? A sheep might solve the mystery
In the Middle Ages, a plague killed a third of Europe's population. Fleas carried the plague bacterium, Yersinia pestis, transmitting the Black Death from infected rats to millions of people.
Phys.org / 16,000 fossil footprints in central Bolivia reveal dinosaur behavior
Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters—capable of sinking their claws even into solid stone.
Medical Xpress / Foods with healthy-sounding buzzwords could be hiding added sugar in plain sight
Many consumers feel pride in avoiding the glazed pastries in the supermarket and instead opting for "all natural" granola that comes packed with extra protein. Same goes for low-fat yogurts "made with real fruit," "organic" ...
Phys.org / Gemini and Blanco telescopes unlock clues to origin of longest gamma-ray burst ever observed
Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority of these bursts are observed to flash and fade within a few seconds to minutes. But on 2 July 2025, ...
Phys.org / Elusive wild cat feared extinct rediscovered in Thailand
An elusive wild cat long feared extinct in Thailand has been rediscovered three decades after the last recorded sighting, conservation authorities and an NGO said Friday.
Phys.org / Supernova from the dawn of the universe captured by James Webb Space Telescope
An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope (JWST), detecting a supernova—the explosive death of a massive star—at an unprecedented cosmic ...
Phys.org / Scientists crack ancient salt crystals to unlock secrets of 1.4 billion-year-old air
More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like modern-day Death Valley evaporated under the sun's gentle heat, leaving behind crystals of halite—rock ...
Medical Xpress / How natural daylight can help people with diabetes improve blood sugar levels
People with type 2 diabetes may be able to improve their blood sugar by doing something as simple as sitting by a window for a few hours each day. In a study published in Cell Metabolism, scientists showed that natural daylight ...
Phys.org / Study says African penguins starved en masse off South Africa
Endangered penguins living off South Africa's coast have likely starved en masse due to food shortages, a study said, with some populations dropping by 95% in just eight years.
Phys.org / Converting CO₂ into valuable chemicals in acidic environments: Iodide ions unlock efficient ethylene production
The emission of carbon dioxide (CO₂) is one of the primary factors contributing to air pollution and climate change on Earth. In recent years, energy engineers have thus been trying to develop systems that could reduce ...
Medical Xpress / Gut bacteria may play role in bipolar depression by directly influencing brain connectivity
Bipolar disorder (BD) is a psychiatric disorder characterized by extreme mood changes. Individuals diagnosed with BD typically alternate between periods of high energy, euphoria, irritability and/or impulsivity (i.e., manic ...
Phys.org / Scientists chart over 140,000 DNA loops to map human chromosomes in the nucleus
One of the most detailed 3D maps of how the human chromosomes are organized and folded within a cell's nucleus is published in Nature.