Tia Donaldson

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Faces spark brain activity in depressed kids - Futurity

WASHINGTON U.- ST. LOUIS (US) — The part of the brain that regulates emotion works …

Exercise makes brain more resilient to stress - Futurity

Anxiety is less likely to interfere with the brain activity of mice that exercise regularly, research shows.

Simple software makes fingerprinting more precise - Futurity

PENN STATE (US) — Scientists have created a process using three inexpensive computer programs that …

Clever cockatoos pick five locks to get food

A Dog Door That Unlocks With A Bark

David Hunt doesn't get out a circular saw to hack a hole in his door when he gets a dog. No, David Hunt aims for something much bigger, a difficult and precise project that is, functionally, about the same as a doggie door but much more rewarding. And silly. Here he presents the bark-triggered door …

Sex is the secret to looking younger, claims researcher

Regular sex could now be the key to looking up to seven years younger, a researcher claims.<p>Dr David Weeks, former head of old age psychology at the Royal Edinburgh Hospital, said people need to be aware of the benefits of having a healthy sex life, particularly in their later years.<p>He said sex has …

Can White Blood Cells Spread Cancer?

Reporting in <i>The Journal of Clinical Investigation</i>, Lorenzo Ferri of McGill University Health Centre and colleagues write of a new way that cancer might spread in the body. Working with mice, the researchers say they've shown that white blood cells, the body's main line of defense against infection, …

Can a human being live longer than 120 years?

A human cell can divide roughly 50 times before it dies out. It's called the Hayflick limit, and it's become a real headache for the anti-aging science. As long as the limit holds, it suggests a maximum human lifespan of 120 years — but a new crop of research suggests the limit may not be as hard …

How the brain creates the buzz that helps ideas spread

Psychologists have identifyed for the first time the brain regions associated with the successful spread of ideas, often called “buzz.”<p>How do ideas …

Starfish have eyes at the tips of their arms

A study has shown for the first time that starfish use primitive eyes at the tip of their arms to visually navigate their environment.<p>Research headed …

Spider webs use electricity to attract prey, study finds

Silk strands change shape as electrically-charged insects pass in front of it, according to research from UC Berkeley<p>It's not hard to see how an insect could get trapped in a spider's web; its strands are sticky, ultra-strong, and well-concealed. But according to a new study published in the …

Would A Human Head Transplant Be Ethical?

A couple professors sound off about the ethics of transplanting one human's head onto another human's body.<p>Two days ago, we reported on a controversial paper by Italian neurosurgeon Sergio Canaveri about human head transplants. The paper, entitled "HEAVEN: The head anastomosis venture Project …

How Slot Machine Sounds Trick Your Brain

Nice music doesn't always mean a real win.<p>When you win a bet on a slot machine, the machine rewards you with a celebratory noise: that electronic string of notes saying, <i>You're a winner! Here is, like, 30 cents, probably.</i> If you <i>lose</i> the bet, there's usually not a noise.<p>But here's the twist: modern …

Taste Receptors Found In Mouse Testicles. Tasticles?

Organoleptic receptors where you least expected them.<p>Researchers at the Monell Chemical Senses Center made a startling discovery while investigating the sense of taste in mice: not only do mice have taste receptors on their testicles, but any attempt to remove these taste receptors results in …