Uncategorized
- Plants
Trees dim the light on spring flowers
Early spring flowers and the sugar maples they grow under use different alarm clocks to get going in the spring, which can make life hard for the flowers in northern forests.
- Health & Medicine
Pulse pressure linked to dialysis death rate
People on kidney dialysis who have high pulse pressure—the difference between the top and bottom numbers on a blood pressure reading—seem to be at a greater risk of dying than those with low pulse pressure.
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Immune cells carry concealed weapons
Scientists propose that protein-cleaving enzymes called proteases are the real microbe destroyers in bacteria-killing cells called neutrophils.
