Glaciers cracking in the presence of carbon dioxide

(Phys.org)—The well-documented presence of excessive levels of carbon dioxide (CO2) in our atmosphere is causing global temperatures to rise and glaciers and ice caps to melt. New research, published today in the Journal ...

A spider web's strength lies in more than its silk

While researchers have long known of the incredible strength of spider silk, the robust nature of the tiny filaments cannot alone explain how webs survive multiple tears and winds that exceed hurricane strength.

Strength is shore thing for sea shell scientists

(PhysOrg.com) -- Scientists have made synthetic 'sea shells' from a mixture of chalk and polystyrene cups - and produced a tough new material that could make our homes and offices more durable.

Carbon Nanotubes Toughen a Common Plastic

(PhysOrg.com) -- A research group from the Weizmann Institute of Science in Israel has discovered that adding carbon nanotubes to a widely used commercial plastic can greatly strengthen it. Their work is one example of how ...

American seniors living longer on less, study

Older Americans have experienced huge, negative financial shifts that now make it more difficult to enter retirement with sustainable economic security, a new study finds. Seventy-eight percent of all senior households are ...

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