Dr. Bortrum

Was there a "before" before the Big Bang? What about after?

Climate changes and my ancestors'' paths out of Africa

Birds, dolphins and bonobos all show high degree of intelligent behavior

Active octogenarian goes from ozone to breathing

Drugs contain a plethora of excipients, inactive materials

"Scaled down" solar system detected

Neandertals and worms travel while walkers may charge cell phones

No time to write

Man''s blackest material; huge black hole and companion

Fluoridation - good for dental health but too much has its downsides