Alan Vonlanthen's Library tagged biology →  View Popular, Search in Google

What makes one cell type different from the other cell types? After all, each cell in the body has exactly the same genome (the entire DNA sequence). How do different cells grow to look so different and to perform such different functions? And how do they get to be that way, out of homogenous (single cell type) early embryonic cells that are produced by cell division of the zygote (the fertilized egg)? via @pierrekerner

biology mitosis stem cells cells science differentiation Bora Zivkovic

in list: science

This page presents a table of BioWikis, wikis for biologists.
via @oliviertripet

science+resource science resource biology wiki

Le rythme ultradien est un rythme biologique se présentant avec une fréquence supérieure au rythme circadien (fréquence pluriquotidienne), il est donc plus rapide que le rythme circadien. En général, les phases ainsi rythmées se représentent avec une durée de quelques dizaines de minutes à plusieurs heures. Les rythmes ultradiens se retrouvent notamment dans le sommeil (phases du sommeil) et les divers états de vigilance durant le jour.

biology science circadian ultradian

in list: science

CHNOPS is an mnemonic acronym for the four most common elements in living organisms: Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur

dna chemical biology science Carbon Hydrogen Oxygen Nitrogen Phosphorus Sulfur delicious

John Craig Venter (born October 14, 1946) is an American biologist and entrepreneur, most famous for his role in being one of the first to sequence the human genome and for his role in creating the first cell with a synthetic genome in 2010

science+tech synthetic+biology biology dna genetics synthetic+chromosome genome science delicious

Mark Roth studies suspended animation: the art of shutting down life processes and then starting them up again. It's wild stuff, but it's not science fiction via @mfavez

science biology hydrogen+suldfide cryonics hypothermia induced+hibernation delicious

Based on the responses of thousands of participants to more than 100 dilemmas, we find no difference between men and women, young and old, theistic believers and non-believers, liberals and conservatives. (...)
What guides your judgments is the universal

evolution biology science religion ethics morality delicious

science biology evolution 2.0 collective+intelligence snails delicious