Nikki greenwood

Spider webs are veritable antennas humming with signals.

If you’ve ridden in a car piloted by a young or inexperienced driver lately, chances are you’ve had an unwelcome epiphany. When driving your own car every day, navigating familiar streets, the vehicle is an extension of your body and your home, a wee castle on wheels that protects you, obeys you, and gets you […]

It has recently become clear that each one of us is more microbe than human—at least when it comes to the number of cells in our bodies. The bacteria that swarm through our guts, across our skin, and in every orifice you have outnumber our human cells by at least 10 to 1, though their […]

When an enormous four-finned fish surfaced in a South African fisherman’s catch in 1938, scientists were fascinated by its resemblance to fossilized creatures that had died out millions of years ago. The fish, called a coelacanth, turned out to be the first descendant of those organisms ever spotted by humans. The two living species identified […]