50 million year old sperm cells found in fossilized cocoon

(Phys.org)—A small team of researchers with members from institutions in Sweden, Argentina and Italy, has discovered fossilized sperm cells embedded in the walls of an ancient cocoon. In their paper published in the journal ...

Wireless 'tooth tattoo' detects harmful bacteria

Using silk strands pulled from cocoons and gold wires thinner than a spider's web, researchers at Princeton University have created a removable tattoo that adheres to dental enamel and could eventually monitor a patient's ...

Silkworm structures drive push for new materials

(Phys.org) -- Research published in the peer-review Journal of the Royal Society Interface on Wednesday presents a close look at the structure and physical properties of silkworm cocoons. The paper’s research efforts ...

Silkworms spinning spider webs

(PhysOrg.com) -- A spiders silk is strong and more elastic and has a large range of possible medical applications. However, spiders have a history of being territorial and prone to cannibalism, so the idea of having a large ...

First black holes may have incubated in giant, starlike cocoons

(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from being blown away, ...

Cases of black hole mistaken identity

Astronomers have discovered one type of growing supermassive black hole masquerading as another, thanks to a suite of telescopes including NASA's Chandra X-ray Observatory. The true identity of these black holes helps solve ...

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Cocoon

Cocoon may refer to:

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