Dr. Bortrum

Four atoms of hassium-270 are magic; polonium-210''s lethal alpha particles

Amniotic stem cells look promising; comet\'s composition shows mixing on a humongous scale

Some unusual births, the demise of trans fats and the growth of artificial bladders

Bortrum takes two weeks off.

Holiday season tempered by the deaths of Bell Labs colleagues

Is dark energy the energy of nothing?

Lizards evolve in reverse; proposed reverse evolution in a human case criticized

No science this week - Bortrum gets a reprieve

Blind mice "see"; evolution of the eye - one scenario

Mirrors and elephants; mirrors in our brains