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Cells send dirty laundry home to mom
Published February 7, 2010, 10:17 pm, Science Daily
Understanding how aged and damaged mother cells manage to form new and undamaged daughter cells is one of the toughest riddles of aging, but scientists now know how yeast cells do it. In a groundbreaking study, researchers in Sweden show how the daughter cell uses a mechanical "conveyor belt" to dump damaged proteins in the mother cell.
Mitosis [Neurotopia]
Published February 7, 2010, 9:47 pm, ScienceBlogs
Since Sci wrote so recently about the preservation of somatic cells and gametes for species regulation, she thought it might be a good idea to run through some basic concepts. REALLY basic. Like the stuff you had in high school and forgot. That kind of basic. She was also inspired in this post by reading so recently about HeLa cells, and how they allowed scientists to make great strides in the ...
Fossil Feather Colors Really ARE Written In Stone [Living the Scientific Life (Scientist, Interrupted)]
Published February 5, 2010, 8:02 am, ScienceBlogs
tags: evolutionary biology , paleontology , taphonomy , plumage color , feathers , color , melanin , eumelanin , phaeomelanin , dinosaurs , theropod , paravian , avialae , fossils , Anchiornis huxleyi , ornithology , birds , bpr3.org/?p=52 , peer-reviewed research , peer-reviewed paper New research reveals that recently-described 155-million-year-old Anchiornis huxleyi , a woodpecker-like ...
Prehistoric patterns: A dinosaur gets color from head to feathery tail
Published February 4, 2010, 3:33 pm, Scientific American
Last week, researchers announced that they had been able to place, for the first time, original colors on a dinosaur --painting in striking stripes on Sinosauropteryx 's tail based on new evidence of pigment particles. Today, another team reports that they have decoded the colors of a different dino from head to tail. [More]
Column: Planet of the mollusks
Published February 2, 2010, 9:49 pm, The California Aggie
We mammals are arrogant. The mammal clique has humans, which is like the high school clique that has the quarterback of the football team. The other animals are jealous of our brains and bipedalism. We mammals fawn over live young, while the slimy, scaly kids write emo poetry.
Paleontologists find evidence of birds' dinosaur ancestors
Published February 2, 2010, 5:54 pm, Ars Technica
Many different kinds of animals coexisted during the Jurassic period, from primitive birds to two-legged, large-jawed dinosaurs. As different as they sound, paleontologists have found extensive evidence that they share a common ancestry. Two new studies of fossils from China show that bird-like dinosaurs predate the earliest official birds, and shed light on the origin of feathers. Scientists ...
Cells Send Dirty Laundry Home To Mom
Published February 2, 2010, 5:47 am, Medical News Today
Understanding how aged and damaged mother cells manage to form new and undamaged daughter cells is one of the toughest riddles of ageing, but scientists now know how yeast cells do it. In a groundbreaking study researchers from the University of Gothenburg, Sweden, show how the daughter cell uses a mechanical "conveyor belt" to dump damaged proteins in the mother cell. "This ensures that the ...
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