The lab of Stephen A. Kells, a University of Minnesota entomologist. Bedbugs are not known to transmit disease.Ask experts why the bugs disappeared for 40 years, why they came roaring back, even why they don’t spread disease, and you hear one answer: “Good question.”

“Corpor Esurit,” a work by Elizabeth Demaray at Exit Art, involves red harvester ants being given an all-McDonald’s diet for a month.A Brooklyn artist has given red harvester ants, Pogonomyrmex badius, an all-McDonald’s menu.

Restorers are spending $10 million to make the world’s last surviving wooden whaling vessel, the Charles W. Morgan, seaworthy.

Scientists exploring a canyon, three-quarters of a mile below the Hudson River seabed and teeming with marine life, have discovered a potential reason for its riches.

A Manhattan art gallery features a rogues’ gallery of deadly microbes rendered in glass and costing $10,000 each.

This year’s World Science Festival includes 40 events, among them a cosmic work by Philip Glass, an appearance by Stephen Hawking and a full-size model of the James Webb Space Telescope.

In upstate New York, a reproduction of an instrument in Lithuania, built in the 18th century, brings a precious craft back to life.

In upstate New York, a reproduction of an instrument in Lithuania, built in the 18th century, brings a precious craft back to life.

A little-known people existing before ancient Egypt and Greece’s glory worked with metal and had an evolved visual language.

The City University of New York has attracted nationally recognized scientists to its campuses, where construction and renovation projects are under way or in the planning stages.