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Today's briefCalling species 'invasive'—and culling them—isn't done lightly. But it matters to Australia's threatened speciesphys.org · 9h ago
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75,000-year-old Neanderthal may have been killed by a spear aimed at the heart

A Neanderthal who died 75,000 years ago may have been killed by a wooden spear deliberately aimed at the heart, revealing rare evidence of prehistoric violence. A circular hole in the shoulder blade suggests the weapon pierced the chest and caused a rapidly fatal injury. Surprisi

Brief sciencedaily.com · 16h ago · 1 min
Physicists created a tiny universe and watched time emerge without a clock

Scientists have created a miniature universe in the laboratory that could help answer one of the biggest mysteries in physics: What is time, and where does it come from? Using 24,000 ultracold atoms, a University of Birmingham researcher built an isolated quantum system that repe

Brief sciencedaily.com · 2d ago · 1 min

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This oddball reflective lava world is challenging to understand

Among Kepler and TESS's many surprising exoplanet discoveries are the ultra-short-period (USP) planets. These planets move very quickly and complete an orbit in less than 24 hours. Ancient astronomers thought that Mercury was so fast—it goes around the sun every 88 days—that they

phys.org · 2h ago
Looking for bats after dark can help science—and change how we see them

What's that chirping sound coming through the detector? Did you feel something whiz past? Those are just some ways people react when they encounter microbats for the first time. Microbats are small, mostly nocturnal mammals that use ultrasonic sounds to navigate and hunt at night

phys.org · 4h ago
Ultracold atoms simulate hard-to-observe matter-antimatter pair production

According to quantum electrodynamics, the theory describing interactions between light and electrically charged particles, a sufficiently strong electric field can, in principle, convert some of its energy into particles and their antimatter partners. A particle's antimatter part

phys.org · 10h ago
Four superconducting cables link two large quantum processors into one

As quantum computers grow more ambitious, many researchers believe the best way forward is to build them in multiple interconnected parts. In these modular designs, separate quantum processors are linked so they can work together as one larger machine. For this to happen, however

phys.org · 11h ago
A mysterious 4,000-year-old wall is rewriting North Africa’s history

A remarkable 4,000-year-old defensive structure discovered in Morocco is rewriting what scientists thought they knew about ancient North African civilizations. The massive fortifications reveal unexpectedly sophisticated prehistoric societies and suggest that the region played a

sciencedaily.com · 13h ago

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