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FYI: What Makes Tattoos Permanent?

And how does tattoo removal work?<p>It's all about the particles in the tattoo ink's pigment says Dr. Anne Laumann, MBChB, a professor of dermatology at Northwestern University.<p>Tattoo application uses a mechanized needle to puncture the skin and inject ink into the dermis or second layer of skin just …

What Our Brain Looks Like When It Hears Music

The map above is your brain on music, created by neuroscientists Robert Zatorre and Valorie Salimpoor. The researchers have been exploring the relationship between music and its impact on the human brain for more than a decade.<p>Music we enjoy causes several different regions of the brain "light up" …

Med students develop knife that can detect cancerous tissues within seconds

Here's one for the medical journals: researchers at London's Imperial College have created a high-tech scalpel that can differentiate between cancerous and non-cancerous tissue <i>as it cuts</i>. The team calls it the iKnife (intelligent knife), and by analyzing vapors created during electrosurgical …

Human Immunodeficiency Virus, Alexey Kashpersky (High-Res)

Human Immunodeficiency Virus, Alexey Kashpersky (High-Res).

Simulating 1 second of real brain activity takes 40 minutes and 83K processors

A team of Japanese and German researchers have carried out the largest-ever simulation of neural activity in the human brain, and the numbers are …

6 Freaky Things Your Body Does (Explained by Science)

The human body is a strange and mysterious place filled with gross guts and gurgling magic potions. There are all sorts of confusing or nonsensical …

How 3-D Printing Body Parts Will Revolutionize Medicine

Welcome to the age of bioprinting, where the machines we've built are building bits and pieces of us.<p>A device the size of an espresso machine quietly whirs to life. The contraption isn't filled with fresh, pungent grounds but, instead, spoonfuls of opaque, sterile goo. Its robotic arm moves …

X doesn't mark the spot: real shape of chromosomes revealed

Time to revise the high school biology textbooks: contrary to their typical portrayal as being precisely X-shaped, chromosomes are in fact much more complex — and much messier looking. That's the finding of a new project that relied on DNA sequencing to produce accurate 3D images of chromosomes.<p>A …