Oldest Known Spider Webs Discovered

This light micrograph shows spider web threads coated with sticky droplets (left panel) and threads with helical twists (right panel) that were preserved inside amber for about 140 million years.

(Image credit: Martin Brasier.)

Silken spider webs dating back some 140 million years have been discovered preserved in amber, scientists announce today.

The viscous tree sap flowed over the spider webs before hardening and preserving the contents, which were discovered in Sussex, England. Other bits sealed up in the amber included plant matter, insect droppings and ancient microbes.

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Jeanna Bryner is managing editor of Scientific American. Previously she was editor in chief of Live Science and, prior to that, an editor at Scholastic's Science World magazine. Bryner has an English degree from Salisbury University, a master's degree in biogeochemistry and environmental sciences from the University of Maryland and a graduate science journalism degree from New York University. She has worked as a biologist in Florida, where she monitored wetlands and did field surveys for endangered species, including the gorgeous Florida Scrub Jay. She also received an ocean sciences journalism fellowship from the Woods Hole Oceanographic Institution. She is a firm believer that science is for everyone and that just about everything can be viewed through the lens of science.