Leptin, the obesity hormone, may play a role in heart disease. Chemistry Oxygen gets superconducting powers Under high pressures and cold temperatures, oxygen becomes a superconductor. A sensitive new method can quickly detect antibiotics in cow's milk. Bubble factory for petroleum catalyst Ultrasound creates tiny particles of molybdenum sulfide. What aircraft leave behind Jet traffic may be substantially increasing the number of tiny particles in the atmosphere and stimulating cloud growth.
Researchers strive to create a computer program that plays championship poker.
Seeing through Expert Eyes Ace decision makers may perceive distinctive worlds An emerging field of research explores what it means to be an expert in fields ranging from firefighting to medicine.