Stories by J. H.

New findings confirm old ones: it is a 14th-century fake

A broad study of preindustrial societies offers some answers

Did a growth spurt of mountain ranges initiate the ice ages?

Doubts remain on "sightings" of planets near other stars

A remarkable Soviet method for regenerating bones comes west

More sunspots = more sunshine, but is the weather affected?

Researchers stumble to make stairs safer

A puzzling new probe of the cosmic background radiation

Slightly sinister statistics for left-handed people

California artists spawn technological monsters

An experiment demonstrates how buried rocks rise

Astronomers spot a pulsar with a "bizarre" companion

Making stars explode in a computer is a tricky task

Students attempt to build a human-powered helicopter

Researchers seek a vaccine to treat and prevent melanoma

Sea-launched cruise missiles elude arms controllers

Drawing or sculpting can help traumatized Vietnam veterans

Jupiter's great red spot is conjured up in laboratories

The embryonic forms of ancient reptiles are revealed

Physicists generate durable pulses of darkness

A new insecticide causes insects to kill themselves

Does it act more as a trap than as a safety net?

Can black holes, like supernovas, make elements?

The military loses a fight for control of data-or does it?