Posts by Dr. Allen F. Bortrum

Homing pigeons (and other birds?) use magnetite crystals in their beaks to find their way home

Squirrels and trees fight it out; jays anticipate lean accomodations

Huge black holes "spit" jets and bubbles affecting galaxy clusters

Beach walk finale; chimps spear bushbabies; missing water in planets'' atmospheres

Tires do not make good reefs; robins poop pepper tree seeds in Florida

Laser-generated blackness in metals and unusual whiteness in a beetle

Sea urchin genome decoded; we share a lot of genes with the urchin

Unusual births of Komodo dragons and a baby rhino

The fat in your body doesn\'t just sit there - it may be an organ!

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