News tagged with cocoons

A supernova cocoon breakthrough

(Phys.org) -- Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery ...

May 15, 2012
4.8 / 5 (6) 0 | with audio podcast

Most stretchable spider silk reported

The egg sac silk of the cocoon stalk of the cave spider Meta menardi is the most stretchable egg sac silk yet tested, according to a study published Feb. 8 in the open access journal PLoS ONE.

Feb 08, 2012
4.4 / 5 (5) 0 | with audio podcast

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 ...

Jan 03, 2012 report
4.1 / 5 (20) 4 | with audio podcast

'Pacman' nebula gets some teeth

(PhysOrg.com) -- To visible-light telescopes, this star-forming cloud appears to be chomping through the cosmos, earning it the nickname the "Pacman" nebula, like the famous Pac-Man video game that debuted ...

Oct 27, 2011
5 / 5 (2) 0

Team develops new technique for dating silk

Strand for strand no fabric can compare to the luxurious feel, luminosity and sheen of pure silk. Since millennia, the Chinese have been unraveling the cocoons of the silk worm (Bombyx mori) and weaving the fibers into s ...

Sep 13, 2011
4.5 / 5 (2) 0 | with audio podcast

A real-life zombie story in the life of bugs

(PhysOrg.com) -- In a recent study published in Biology Letters, a page of science fiction comes to life in a real-life zombie scenario between the ladybug and a parasitical wasp called Dinocampus coccinell ...

Jun 24, 2011 report
5 / 5 (1) 0 | with audio podcast

Reeling in a wild silk harvest

(PhysOrg.com) -- A new way of treating wild silkmoth cocoons could see new silk industries springing up wherever wild silk is found in Africa and South America, as well as silk?s Asian heartland.

May 17, 2011
4.3 / 5 (3) 1 | with audio podcast

Bees that nest in petals

A rare species of solitary bees found in the Middle East, Osima avoseta, constructs its nests from petals, creating chambers of pink, yellow, blue, and purple for its larvae. The colorful nests moist, secure ...

May 04, 2010
5 / 5 (1) 0 | with audio podcast