Browsing: Lens_biology

Where I grew up in northern California, we were surrounded by the remains of Gold Rush towns, now subsumed into the wild rye. I used to look for these places on old maps and then search them out by car and on foot; sometimes the only sign I had arrived was a single blackened chimney […]

The great variety of aging styles among plants and animals suggests it can be controlled.

As our lifespans have increased, so too have our active years. Can that go on?

What a waste are two thumbs on the space bar. There they sit, nearly flaccid, punctuating the end of each word, awaiting the call to crack stone or to use sharp flakes to incise wood. It is easy to think of other traits as making us human. We talk, use metaphors, empathize, follow fashions, laugh, play […]

The biochemist explains the elements of life, sex, and aging.

New insights into mitochondria reveal how life expends energy.

What I learned trying to keep up with my 4-year-old daughter at the royal game.

Tantalizing evidence suggests that brain activity shifts to increase wisdom as we age.

Torrey pines seem like they could use some human help. According to the U.S. Forest Service, they are the rarest pine species in North America, with fewer than 10,000 trees growing in the wild. They’re split between Santa Rosa Island, off California’s southern coast, and a small state forest perched on the coastal bluffs just […]

Two Mecyclothorax beetles abandon their relatives on the forest floor to climb up a tree. They settle into a moss home, eat, mate, and die. A couple hundred years or so pass until one of the original beetles’ offspring walks back down. But all the close relatives it once had there are already gone. There’s […]