A new biologic logic gate based on proteins can perform binary calculations, serving as the first “cellular calculator,” researchers say. Various combinations of components can be arranged into circuit elements, leading to specific metabolic processes inside a cell. The setup can answer mathematical questions in a similar fashion to a computer.
Bill Andrews’s feet are so large, he tells me, that back when he was 20 he was able to break the Southern California barefoot-waterskiing distance record the first time he put skin to water. Then he got ambitious and went for the world speed record. When the towrope broke at 80 mph, he says, “they pulled me out of the water on a stretcher.”
Just in time to take advantage of the latest round of iPad hysteria, optics researchers at the Universities of Glasgow and Bristol are launching a novel new iPad app. But this new application doesn’t let you manipulate your bank account, your current scrabble match, or your media collection. It lets you manipulate microscopic particles.
A team of Australian chemistry students have strengthened the chemical bonds of insulin to make it stable even at warm temperatures -- a breakthrough that could simplify diabetes management. The finding could shed light on how insulin works, and eventually lead to insulin pills, rather than injections or pumps.
I can't seem to manage to keep my iPod in my bag for a day without creating an awful tangle of headphones, but my body's cells can work with two meters of stringy DNA into a tiny nucleus without making a knot. The secret is a structure called a fractal globule, according to a research paper to be published tomorrow in the journal Science.
A Nobel prize winner at 33, Joshua Lederberg's findings were wide-ranging and far-reaching
By Gregory Mone
Posted 02.05.2008 at 1:23 pm 0 Comments
Nobel winner Joshua Lederberg, recognized as one of the founders of the field of molecular biology, died this past weekend at the age of 82. Lederberg made key discoveries about gene exchange in bacteria—he basically figured out they can have sex, and dont simply reproduce through cell division.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.