Dr. Bortrum

Does your genome harbor some Neandertal DNA? What about huge amounts of DNA from viral encounters?

The Hubble Telescope, Large Hadron Collider and National Ignition Facility all working well after initial problems or skepticism

Watery weather and water purification

Researchers color a dinosaur and firm up the link between birds and dinosaurs

Lichens are not plants; neither are mushrooms

Bortrum\'s last regularly scheduled column. There may be more?

A proud grandparent; pigs and a mirror; graphene and nanodiamonds

Gallons of water on the moon; a dinosaur with too many wings?

500th column prompts reflection; Bortrum to be retired next month

32 new planets reported; a 4 million-year-old fossil upsets prevailing view of human evolution