Epidemiology
Poliovirus Detected in London Sewage, U.K. Officials Warn
The detected strain can sometimes cause severe disease in people who are not vaccinated against polio
Stories by Nicoletta Lanese
Paleontology
Kids’ Fossilized Handprints May Be Some of the World’s Oldest Art
Ice age impressions in limestone show that human ancestors inhabited the area
Space & Physics
Why Does DNA Spontaneously Mutate? Quantum Physics Might Explain
A phenomenon called proton tunneling could account for point mutations in strands of genetic material
Biotech
Blind People Could ‘See’ Letters That Scientists Drew on Their Brains with Electricity
Scientists stimulated the brain using electrodes implanted on its surface
