Cellular Toggle Switch Could Herald An Anti-Aging Breakthrough

Researchers at the Salk Institute have discovered a toggle switch for aging cells. By controlling the growth of telomeres, it may eventually be possible to coax healthy cells to keep dividing and generating even in old age. » 9/23/14 9:00am 9/23/14 9:00am

This is the most accurate model yet of what DNA looks like

This is a stunning 3D map that shows how six feet of of DNA can be crammed inside a single chromosome — a space that's only a hundredth of a millimeter across. Not surprisingly, it looks like something that would go well with meatballs. » 11/08/13 12:39pm 11/08/13 12:39pm

How Artificial Chromosomes Could Transform Humanity

Normally, an extra pair of chromosomes would be considered dangerous. But what if we could design our own? According to biologists, we could create custom-built chromosomes to fix a variety of health problems, and even give us new abilities. Here’s how a 24th pair of chromosomes could change our biologies forever. » 7/12/13 12:00pm 7/12/13 12:00pm

All humans have been female at least once in their lives

A handy explainer for the oft-cited (but rarely elucidated) factoid that every single person on Earth was once female — or, at a minimum, gender-neutral. » 1/11/13 2:40pm 1/11/13 2:40pm