Effective policies to fight Covid-19 require policymakers abide by the advice offered by qualified scientists using valid scientific data. Georgia Governor Brian Kemp, for example, put Georgians at risk by ignoring experts advising that the virus could spread by those infected but not showing symptoms of Covid-191. The price for Governor Kemp’s ignorance was paid...

At superficial glance, a visitor to the Nevada Art Gallery in Reno might see only a random collection of oversized letters taking up an entire gallery wall. Closer inspection shows the 240 characters are limited to just four: A, T, C and G. You may recognize those as the standard abbreviations for the four DNA...

Viruses are simple things- they consist of a string of DNA or RNA wrapped in protein. Yet they have no machinery to make proteins, not even their own. How can they be so pathogenic, giving rise to diseases ranging from polio to influenza and now, to the devastating new pandemic, Covid-19? Pathogenic viruses, including SARS-CoV-2...