The United States military is no longer shooting live animals as part of its trauma training exercises for combat medics. The 2026 National Defense Authorization Act, which was enacted on December 18, ...

Large wild mammals—from elephants to antelopes—are already struggling to cope with global warming. Now new research shows ...

But cleverness is hard to define - animals have to contend with different challenges in life and what might be clever or ...

Over 130 mammal species can delay embryonic development, giving their offspring the best possible chance of survival in ideal ...

A new method for engineering natural killer cells could make cancer immunotherapy more efficient, scalable, and affordable, ...

Most of the time, you assume your brain is either “on” or “off,” awake or asleep. A new study shows something far more ...

Pea-size clusters of human cells called brain organoids inspire both hope and fear. Experts are debating how scientists can ...

Organoids are bits of neural tissue that model human brain development. Their use in science makes some uneasy, in part because the brain is so closely tied to our sense of self.

Researchers have uncovered thousands of preserved metabolic molecules inside fossilized bones millions of years old, offering ...

‘Live tissue training’, using an anaesthetised live animal substituted for a human patient for the practice of surgical skills, is a controversial topic. Although simulator technologies have developed ...

Several imaging procedures have been developed to help diagnose diseases in humans. Examples include X-ray imaging, ultrasonography, and computed tomography, also known as CT scans. CT scans have been ...