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Genetics extends the long arm of the law

In an evolving branch of forensic science, genealogists help solve crimes, sometimes identifying suspects with the DNA of distant relatives they’ve never met. As cold cases yield, concerns about privacy issues persist.

Sounding out the brain

Ultrasound isn’t just for images. Sonogenetics and other promising technologies let researchers use focused sound waves to control genes and entire cells deep in the tissues of living animals, without surgery.

Why forgetting may make your mind more efficient

Evidence builds for ways that the brain actively erases memories

At San Diego’s Frozen Zoo, a chance for animal immortality

The cryobank is a rich source of genetic knowledge of hundreds of creatures. It may one day be used to bring endangered species back from the brink and deepen the gene pool of wild populations.

What we talk about when we talk about food

From identity to national politics, gastronomical conversations can reflect who we are, and who we are not

Reaching out to touch virtual reality

New technologies mean we won’t just see and hear digital information. We’ll also feel it.

In praise of parasites

They worm into snails and infect the brains of fish. They’ve also found their way into Kevin Lafferty’s heart. He sees them as beautiful examples of sophisticated evolution, and as keys to ecosystem balance.

When the brain’s waste disposal system fails

Marco Sardiello explains how problems with the cell’s lysosomes lead to disease

Bypassing paralysis

By decoding brain activity with electrical implants, computers can help disabled people move a robotic arm — or their own