Using twitter to generate a realistic birdsong soundscape

Scientists in Brazil are using a genetic algorithm to create a realistic soundscape of birdsong that can be triggered by updates from the micro-blogging service, Twitter, which celebrates its tenth anniversary this year. ...

Evolving robot brains

Researchers are using the principles of Darwinian evolution to develop robot brains that can navigate mazes, identify and catch falling objects, and work as a group to determine in which order they should exit and re-enter ...

Genetic approach helps design broadband metamaterial

A specially formed material that can provide custom broadband absorption in the infrared can be identified and manufactured using "genetic algorithms," according to Penn State engineers, who say these metamaterials can shield ...

How to get ants to solve a chess problem

Take a set of chess pieces and throw them all away except for one knight. Place the knight on any one of the 64 squares of a chess board.

New analysis shows how proteins shift into working mode

In an advance that will help scientists design and engineer proteins, a team including researchers from SLAC and Stanford has found a way to identify how protein molecules flex into specific atomic arrangements required to ...

Spread of DNA databases sparks ethical concerns

You can ditch your computer and leave your cellphone at home, but you can't escape your DNA. It belongs uniquely to you—and, increasingly, to the authorities.

page 4 from 5