Plant size morphs dramatically as scientists tinker with outer layer
...o find out which part of the plant both drives and curbs growth: is it a shoot's outer waxy layer? Its inner layer studded with chloroplasts? Or the vascular system that moves nutrients and water? The answer could have great implications for modern agriculture, which desires a modern magical bean or two. ...New clues to how major weight-loss drugs work
...etite and aid release of a protein called MSH that curbs appetite. To trace the effect of these two proteins downstream in the appetite-regulating pathway, the researchers analyzed the effects of various drugs that enhance or interfere with serotonin on feeding behavior in mice. They found that the drugs......urs. These ailments might be helped by a drug that curbs inflammation by reducing the sensitivity of IKK. Still other diseases that are characterized by a weak inflammatory response might be helped by a drug that makes IKK even more sensitive to infection messages. The researchers believe their computer mo...