A backbone breakthrough suggests that some of the first terrestrial four-legged animals walked with a scrunching and stretching and strangely galumphing gait.
Chemical engineers say they have come up with a tiny hydrogen fuel cell that can run portable electronic devices, eliminating the need to plug into wall outlets.
Scientists in London say they have successfully grown specialized lung cells from embryonic stem cells, a potential step toward lab-grown replacement lungs and tissue.
Scientists in Singapore have developed a battery powered by urine. The credit card-size device produces about 1.5 volts, the same as a standard AA battery.
Say what you will about our space real estate, at least we don't live in a dry galaxy. A stellar bar 27,000 light-years long cuts through the center of the Milky Way, astronomers report.