Science

Design Sem Nome 2025 07 02T152221.562

Orcas Share Food with Humans as a Way to Build Familiarity

Researchers have observed an intriguing behavior in killer whales: they sometimes share their prey with humans. While we can’t ask the whales directly, scientists believe this may be an attempt to form connections with people. In 34 Cases Over Two Decades, Orcas Offered Food to Humans—Often Watching Closely for a Reaction A recent study analyzed […]

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Design Sem Nome 2025 07 02T125559.230

One Brain Scan Can Reveal Your Rate of Aging

High school reunions often highlight how differently people age. Some individuals remain mentally sharp and physically active well into their later years, while others begin to experience frailty or memory decline much sooner than anticipated. “The way we age biologically doesn’t always match our chronological age,” said Ahmad Hariri, a psychology and neuroscience professor at

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Design Sem Nome 2025 07 02T122748.219

A Simple Shift in Your Evening Habits Might Make It Easier To Exercise Regularly

If you’re hoping to fit in more exercise tomorrow, going to bed earlier tonight might make a difference, according to a new study that explored how bedtime habits relate to physical activity the next day. Conducted by researchers at Monash University in Australia, the study doesn’t claim that earlier bedtimes directly cause increased exercise, but it

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Design Sem Nome 2025 07 01T133817.761

Fossilized Footprints Provide Earliest Evidence of Human Presence in North America

By applying updated radiocarbon dating techniques to ancient footprints preserved in the gypsum-rich soil of White Sands, researchers have confirmed that humans inhabited North America 23,000 years ago—settling a long-standing debate over their true age. The question of when humans first reached North America has been a topic of ongoing controversy, largely due to debates

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Design Sem Nome 2025 07 01T111033.775

Climate Change’s Earliest Detectable Sign Emerged 130 Years Ago

Had 19th-century scientists possessed today’s advanced atmospheric tools, they might have detected the earliest signs of climate change caused by human activity—specifically, the burning of coal and wood. Scientists Suggest Climate Change Could Have Been Detected as Early as 1885 In a recent thought experiment, a group of Earth and atmospheric scientists concluded that, with

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Design Sem Nome 2025 06 30T154907.914

Ants Carry Spotted Lanternfly DNA in Honeydew, Helping Detect Infestations

Virginia might have a new partner in battling one of its most destructive insect pests. Researchers at Virginia Tech, led by Assistant Professor Scotty Yang from the Department of Entomology, have discovered a method to use ants to detect the presence of spotted lanternflies in new regions. Published in Pest Management Science and Neobiota, new

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Design Sem Nome 2025 06 30T125017.410

Only Certain Uranium Can Fuel Weapons. Here’s What Enrichment Involves

When people hear “uranium,” they often picture mushroom clouds, Cold War tensions, or glowing green rods straight out of science fiction. But uranium is more than just a symbol of nuclear threat—it’s a relatively common element with vital uses in energy production, medical treatments, and global politics. The element returned to international focus in June

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Design Sem Nome 2025 06 30T101327.988

China’s Robot Athletes Are Stealing The Spotlight From Human Soccer Players

Could you clarify what you mean by “V”? Are you referring to a word, a title, or something else you’d like paraphrased? Four humanoid robots teams competed in fully autonomous 3-on-3 soccer matches Saturday night in Beijing—an event hailed as a first in China and a preview of the upcoming World Humanoid Robot Games. AI-Powered Autonomy

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Design Sem Nome 2025 06 30T092012.186

World’s Largest Digital Camera Captures First Cosmic Images

After over 20 years of development, the world’s largest digital camera at Chile’s Vera C. Rubin Observatory has captured its first images during a 10-hour test session atop Cerro Pachón. SLAC’s Ambitious Plan for a Record-Breaking Astro Camera In 2012, SLAC announced plans for a 3.2-gigapixel astro camera—set to lead a 10-year survey at the

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