Evolution

Tomatoes in the Galápagos are quietly de-evolving

On the younger, black-rock islands of the Galápagos archipelago, wild-growing tomatoes are doing something peculiar. They're shedding millions of years of evolution, reverting to a more primitive genetic state that resurrects ...

Archaeology

Ancient temple ruins discovered in Andes shed light on lost society

An ancient society near the southern shores of Lake Titicaca in modern-day Bolivia was once one of the continent's most powerful civilizations. Known as Tiwanaku, the ancient society is widely considered by archaeologists ...

A critical link exists among high temps, aging and disease risk

As we age, extreme heat causes many heat-related illnesses that can lead to serious health issues. A new study from the University of California, Irvine's Joe C. Wen School of Population & Public Health adds to that list.

US judge backs using copyrighted books to train AI

A US federal judge has sided with Anthropic regarding training its artificial intelligence models on copyrighted books without authors' permission, a decision with the potential to set a major legal precedent in AI deployment.

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Tech Xplore

Pulsars could have tiny mountains

Imagine a star so dense that a teaspoon of its material would weigh as much as Mount Everest, spinning hundreds of times per second while beaming radio waves across the universe. These are pulsars, the collapsed cores of ...

Better heating method makes legumes easier to digest

While they have been part of our human diet for centuries, legumes like peas and beans are ultimately seeds for the next generation of plants. To protect themselves from being eaten by animals and insects, they contain "antinutrients" ...

Image: A Martian volcano in the mist

Arsia Mons, one of the Red Planet's largest volcanoes, peeks through a blanket of water ice clouds in this image captured by NASA's 2001 Mars Odyssey orbiter on May 2, 2025.

Boulder's winds aren't what they used to be

Peak wind gusts in Boulder and possibly other locations along the Front Range don't pack the same punch they used to, according to a new analysis led by scientists at the U.S. National Science Foundation National Center for ...