chaos

A new litmus test for chaos?

Can the flap of a butterfly’s wings in Brazil set off a tornado in Texas? This intriguing hypothetical scenario, commonly called “the butterfly effect,” has come to embody the popular […]

Experimental MERS vaccine shows promise in animal studies

Experimental MERS vaccine shows promise in animal studies

A two-step regimen of experimental vaccines against Middle East respiratory syndrome (MERS) prompted immune responses in mice and rhesus macaques, report National Institutes of Health scientists who designed the vaccines. […]