Scientific Discoveries

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'Stupendously large' primordial black holes ruled out as a dark matter source
Science News

'Stupendously large' primordial black holes ruled out as a dark matter source

Primordial black holes are hypothetical objects that could have formed directly from dense clumps of matter in the very early universe. If they exist, their dramatic origins would set them apart from the black holes we see today, which form when massive stars collapse. Some theories suggest that "stupendously large" primordial black holes could account for a significant share of the universe's elusive dark matter.

📅 2026-11-08 14:40:01    •    Phys.org
Chimp sanctuary delivers an ape's food by drone amid Florida floods
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Chimp sanctuary delivers an ape's food by drone amid Florida floods

A Florida chimpanzee sanctuary had to deliver food to one of its 200 apes by drone this week because the property was swamped by heavy rain. But the animals stayed safe, and the water finally was receding significantly on Saturday, the organization said.

📅 2026-11-08 11:44:40    •    Phys.org
A 24-hour fast triggers a surprising repair response in the gut
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A 24-hour fast triggers a surprising repair response in the gut

Scientists have discovered that fasting for just 24 hours increases a beneficial gut bacterium that helps the intestines regenerate after radiation damage. The preclinical findings could pave the way for new treatments that protect healthy tissue during cancer therapy, potentially without requiring patients to fast.

📅 2026-11-08 11:06:30    •    ScienceDaily
MIT scientists turn immune cells into cancer killers inside the body
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MIT scientists turn immune cells into cancer killers inside the body

MIT scientists have developed nanoparticles that reprogram immune cells directly inside the body to attack cancer and harmful immune cells, eliminating tumors and reversing liver damage in mouse experiments. The breakthrough could make powerful immune therapies dramatically simpler and less expensive while opening new possibilities for treating cancer and autoimmune diseases.

📅 2026-11-08 10:52:31    •    ScienceDaily
A nuclear blast could save Earth from an asteroid, but there's a catch
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A nuclear blast could save Earth from an asteroid, but there's a catch

A nuclear explosion might save Earth from a deadly asteroid, but new research suggests that hitting the wrong side could make the difference between success and disaster. Scientists found that an asteroid's irregular shape can dramatically affect how it responds to an X-ray blast, with deflection effectiveness varying nearly fivefold depending on the angle.

📅 2026-11-08 10:11:25    •    ScienceDaily
Low testosterone linked to 18% higher risk of dying from cancer
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Low testosterone linked to 18% higher risk of dying from cancer

A major international study tracking more than 26,000 men found that very low testosterone levels were associated with an 18% higher risk of dying from cancer later in life. Surprisingly, testosterone itself showed no clear link to prostate cancer, although two other sex hormones did. Researchers believe low testosterone could be an important early warning sign of future health risks, particularly when levels fall below 8.6 nmol/L.

📅 2026-11-08 10:10:50    •    ScienceDaily
Ancient Siberian tomb reveals surprising secrets of cannabis use 2,800 years ago
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Ancient Siberian tomb reveals surprising secrets of cannabis use 2,800 years ago

Scientists investigating a 2,800-year-old Siberian tomb discovered roughly 1,000 cannabis seeds and chemical evidence suggesting ancient Scythians used the plant for its intoxicating effects. The remarkable find, surrounded by evidence of elaborate burial rituals and animal sacrifices, offers the oldest directly dated archaeological evidence of psychoactive cannabis use.

📅 2026-11-08 08:14:23    •    ScienceDaily
Scientists discover hidden brain changes linked to common sleep disorders
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Scientists discover hidden brain changes linked to common sleep disorders

Scientists have discovered that sleep disorders are associated with structural changes in brain regions that control attention, decision-making, and emotions, potentially explaining why disrupted sleep can affect everyday thinking and behavior. The findings, drawn from 57 brain imaging studies, reveal both shared and disorder-specific patterns that could lead to more targeted treatments.

📅 2026-11-08 04:47:52    •    ScienceDaily
Scientists squeeze record-breaking X-ray power into an incredibly tiny spot
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Scientists squeeze record-breaking X-ray power into an incredibly tiny spot

Scientists have created record-breaking X-ray flashes lasting just 300 attoseconds, concentrating enormous power into an incredibly tiny spot. The breakthrough could unlock a new way to observe electrons in action and potentially control the ultrafast processes that drive chemical reactions.

📅 2026-11-08 03:46:51    •    ScienceDaily