Human beings and other primates have an extremely slow metabolism rate. They burn almost 50 percent fewer calories each day than other mammals, which is why they have a longer lifespan, say scientists.
Human-triggered climate change is real, scientists agree, but only about half of the public concurs. Part of the reason, a study says, is how people process information when confronted with complex issues.
Wallops Island launch: Orbital Sciences Corp. successfully hoisted a capsule packed with 3,000 pounds of equipment and experiments provided by NASA, as well as food and even some ants for an educational project.
Wallops Island launch: After multiple delays, an Antares rocket launched successfully from Wallops Island, Va., offering a spectacle to eastern states and carrying cargo to the International Space Station.