Uncategorized
- Tech
In Its Own Image: Simple robot replicates itself block by block
A robot made by stacking identical, cubelike modules has demonstrated that it can copy itself.
- Health & Medicine
Watch and Wait, or Not: Studies weigh risks of delaying prostate surgery
Two long-running studies of men with prostate cancer have partly clarified the risks of postponing treatment of the disease.
- Chemistry
Metal Rebel: Under extreme pressure, sodium breaks the rules for turning into liquid
In a demonstration that defies certain basic assumptions in physics, researchers have created liquid sodium at room temperature under high pressures.
-
DNA’s Moody Temperament: Gene variant linked to depression-ready brain
A common version of a gene involved in regulating the neurotransmitter serotonin creates a brain that responds sensitively to stress and is therefore more likely to become depressed.
