Supercoil me! The art of knotted DNA maintenance

Even living cells have their own tangled problems to solve. They involve knots that arise accidentally in DNA and that can comprise its functionality. Researchers now suggest that the DNA propensity to be supercoiled, just ...

Researchers discover how corn breaks genetics laws

Modern genetics is based on the idea that genes are passed on to progeny in a predictable fashion, as first described by 19th-century Austrian botanist Gregor Mendel. He determined that genes exist in pairs, and each one ...

Key to expanding genetic code described

Yale scientists have described the atomic structure of a protein that is the key tool in efforts by synthetic biologists to expand the genetic code.

Dino-killing asteroid sped up bird evolution

Human activities could change the pace of evolution, similar to what occurred 66 million years ago when a giant asteroid wiped out the dinosaurs, leaving modern birds as their only descendants. That's one conclusion drawn ...

page 2 from 23