Cells

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soup high in fat

CALORIE CUTTER  Eating a very low-calorie diet with little protein but high fat for five days in a row each month can have a positive impact on health, a new study suggests. 

actin filaments

CURVED SPOKES  Actin filaments (yellow; cell nucleus in magenta) tilt counterclockwise as they extend inward, helping a cell distinguish right from left.

Streptococcus pneumoniae

Streptococcus pneumoniae attack cells and genes in the lungs using hyrdogen peroxide, a new study finds.

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