Times Beacon: While plants don't generally reach for a glass of milk, crouch down to stalk their prey or seek higher ground in a storm, they do respond to changes around them. They compete for sunlight, water and territory. They also have ways of turning on or off their own genes in response to stressful conditions. Qiong Alison Liu, a principal investigator and research assistant professor at Stony Brook University, recently revealed how microRNA, which is involved in gene expression, changes in response to...