WASHINGTON—In the summer of 1854 a doctor named John Snow tracked London's deadly outbreak of cholera to contaminated water coming from a public well—the now famous Broad Street pump. But Snow's observations had to wend their way through the annals of science and took years to make an impact on the public health.
A new study looking at the structure of feathers in bird-like dinosaurs has shed light on one of nature’s most remarkable inventions – how flight might have evolved.
Supercomputer simulations have revealed that a type of oddly dim, exploding star is probably a class of duds—one that could nonetheless throw new light on the mysterious nature of dark energy.
Washington, DC — A team of scientists, including Carnegie's Conel Alexander and Jianhua Wang, studied the hydrogen in water from the Martian interior and found that Mars formed from similar building blocks to that of Earth, but that there were differences in the later evolution of the two planets. This implies that terrestrial planets, including […]