Friday, November 12, 2004

ウニとげの秘密を明らかにする

Sea urchins reveal spiky secret

 Complex crystal spines are moulded in a 'squeezy bag' and set solid.
 Scientists have long envied sea urchins' ability to fashion spines from single, large crystals. Now they have cracked the prickly creatures' secret and made a discovery that could spur the development of dental implants and bone grafts.

 複雑な結晶のとげは「絞り袋」で形成され固くなる
 科学者たちは久しくウニの一つの大きな結晶からとげを形作る能力を羨ましく思ってきた。今やそのとげだらけの生物の秘密を解き、差し歯や骨接ぎの発展を促す発見をした。

 other topics
  Mice with 'good' genes succumb to vCJD
   New strains of Creutzfeldt-Jakob disease may yet emerge.
  Vaccine cripples sperm in monkeys
   Male contraception options set to broaden.

 from news@nature.com

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