Dr Ricki Lewis gives a short introduction the to history of viruses.

Exploring Mars and more distant worlds poses not just the engineering challenges but the challenges of our own minds. Ramin Skibba writes.

Companies victimized by ransomware attacks often refuse to name them as such. Why? It frightens investors. Renee Dudley writes.

The effect of the Ugandan social media tax has been more than to "curb gossip"; it's driving the poor and marginalized offline -- and the political.

The completely nonfictional story of the famous mathematician who never existed. David Gunderman on the beat.

How a chance encounter between a fruit fly and a pail of milk led to the creation of cheese and yogurt. John Morrissey writes.

As brick-and-mortar sales continue to fall, it's time to reimagine shopping. Peter H. Diamandis writes.

Taking a page from the mainland China book, Hong Kong's high court is trying to stop "violent" content online, but they're really targeting protesters. Oiwan Lam writes.

One is ancient, the other modern. One is a monument to cooperation and dedication, the other to greed and deception. Stephen E Nash writes.

Scientific literature is getting buried by people lazily citing whatever comes up at the top of Google Scholar. Hilda Bastian considers.