Harvey Leifert
Latest articles by Harvey Leifert
Unlike Diamonds, Most Minerals Not Forever
By Harvey Leifert last updated
Diamonds may be forever, but that's not true of most minerals.

Car-Sized Creature Whacked with Tail's Sweet Spot
By Harvey Leifert published
Ancient mammals whacked away—with just the right part of their tails.

Aussie Birds Shrinking, Heading Poleward
By Harvey Leifert published
As temperatures rise, Australian birds are moving toward the pole.

Flipper Forms Follow Function in Sea Creatures
By Harvey Leifert published
Scientists figure out how flippers help dolphins swim.

Evidence for Stone Age Multitasking
By Harvey Leifert published
Glue-making may demonstrate that our ancient ancestors multi-tasked.

When You Could Fling a Frisbee from Canada to Zimbabwe
By Harvey Leifert published
Scientists look to redraw the map of the ancient world.

How a Desert Rat Feasts on Poisonous Plants
By Harvey Leifert published
Genes help rats survive on a toxic diet.

Bug Plays Dead, Sacrifices Neighbor
By Harvey Leifert published
Some beetles play possum, and for the same reason that possums do: to avoid attention from predators.

How Sand Dunes Grow Huge
By Harvey Leifert published
Scientists have deliberated the question for years.

Strange 1761 Atmospheric Phenomenon Explained
By Harvey Leifert published
Unusual atmospheric phenomena were recorded worldwide in 1761, unexplained at the time.
Ancient Chemical Warfare Discovered
By Harvey Leifert published
Twenty Roman soldiers died quickly in a tunnel when the Persians forced in hot, sulfurous gas.

Global Warming to Help Crabgrass Take Over Lawns
By Harvey Leifert published
Crabgrass will get a strong assist from global warming in its campaign to take over your lawn.
Caesar's British Landing Site Pinned Down
By Harvey Leifert published
Julius Caesar arrived off the coast of Britain in 55 b.c. But where did he land?
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