Uncategorized
- Life
Genes & Cells
Extreme sibling rivalry, mitochondrial breakups and tubular cells in this week’s news.
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Beer bubble math
The rate of change of bubble volume. If this quantity is positive, the bubble will grow; if it’s negative, it will shrink. A constant that depends on the temperature and the specific gas in the foam. (The foam on top of a glass of Guinness lasts unusually long because Guinness uses nitrogen in addition to […]
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- Health & Medicine
Body & Brain
Fat joins suite of tastes, plus crossword vision, metastasis clues and more in this week’s news.
- Life
Diving spiders make their own gills
Eurasian diving bell spiders, the only truly aquatic arachnids, survive underwater with the help of “physical gills,” scientists say.
- Chemistry
Water-air interface barely there
The transition between gas and liquid is an extremely insubstantial affair.
- Life
Heart has cellular regeneration ability
In mice, injecting a protein spurs the organ’s own stem cells to regrow small amounts of tissue after damage.
- Tech
Social Networks
Power networks in Congress, Twitter’s crystal ball and iPhone contagion in news from an MIT workshop on information in social media.
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- Space
Superdupernovas
A new class of stellar explosion is very bright — and somewhat hard to explain.
- Life
Genetics offers more hints about autism
Three studies illustrate why a single cause for autism spectrum disorders has been so difficult to pin down.
