For its third in a series "honoring individuals who have made extraordinary contributions to the advancement of science," the US Postal Service has issued stamps that commemorate the achievements of the late American scientists Melvin Calvin, Asa Gray, Maria Goeppert Mayer, and Severo Ochoa. The federal mail-carrier says it is honoring the late biochemist and Nobel-laureate Ochoa for his pioneering work in RNA synthesis. "The stamp shows Ochoa in his laboratory in 1959, along with figures representing some of his work on protein synthesis," the USPS says.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Using DNA to sketch crime victims might not be a great idea, the NYTimes says.

Science has its own problem with sexual harassment. What do we do with the research these abusers produce, Wired asks.

Senate Republicans led by Senator Rand Paul (R-KY) are trying to change how the government funds basic research, reports ScienceInsider.

In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.