Researchers have examined three ice core records to identify lead pollution levels in the Arctic between 500 BCE through 600 CE. Lead isotopes allowed the authors to identify mining and smelting operations throughout Europe as the likely…
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Dinosaurs Roamed the Northern Hemisphere Millions of Years Earlier Than Previously Thought, According to New Analysis of the Oldest North American Fossils
Newswise — MADISON — How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for decades been a source of debate among…
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Starch-Rich Plant Foods Played Central Role in Hominin Diet 780,000 Years Ago
Archaeologists say they have extracted a wide variety of starch grains from stone tools found at an early Middle Pleistocene site in Israel. These include acorns, grass grains, water chestnuts, yellow water lily rhizomes, and legume seeds.
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Lenovo’s New Laptop Makes Rollable OLED Laptop Screens Real
At CES 2025, Lenovo won the race to deliver something various companies have teased for years but never took beyond a prototype: A rollable OLED laptop with an expanding display.
Lenovo’s ThinkBook Plus Gen 6, the first rollable OLED laptop,…
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‘Forever chemicals’ are causing health problems in some wildlife
“Forever chemicals” are pervasive, and researchers have in recent years been ringing the alarms about the negative impacts on human health. But humans aren’t the only animals to be concerned about.
Freshwater turtles in…
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AI helps doctors detect more breast cancer in the largest real-world study
AI is as good as clinicians at interpreting mammograms, a cancer study with nearly 500,000 participants in Germany suggests.
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Physics – Antiferromagnet Magnetized with Light
• Physics 18, 3
Researchers show they can magnetize an antiferromagnet using terahertz light, switching the state on a million times faster than is possible for other magnetic states.
Adam Glanzman
Using carefully… Continue Reading
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How do directional connections shape complex dynamics in neuronal networks?
Uncovering the relationship between structure (connectivity) and function (neuronal activity) is a fundamental question across many areas of biology. However, investigating this directly in animal brains is challenging because of the immense…
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Ancient Lead Poisoning May Have Contributed to the Roman Empire’s Downfall
It’s perhaps historically appropriate that the word “ironic” contains “iron.” Mining and smelting minerals like iron represented technological highs at the Roman Empire’s peak. But those activities also produced enough lead pollution…
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