Leading scientists discuss their work and the larger questions of humankind's existence.
TẬP 4
Climate Change: Why Do So Many Tornadoes Strike the U.S.?
Severe weather expert Jeff Halverson explores why the USA is such a hotbed for tornadoes.
TẬP 9
Climate Change: Catastrophic Consequences - Katrina and Sandy
Severe weather expert Jeff Halverson reveals the root cause of high death tolls and devastation from hurricanes Katrina and Sandy.
TẬP 7
Astronomy: How Many Stars and Planets?
Lowell Observatory astronomer Nick Moskovitz surveys the number of stars and planets believed to exist in the universe.
TẬP 13
Astronomy: Robotic or Manned Missions?
Lowell Observatory astronomer Nick Moskovitz expounds on the importance of manned space missions.
TẬP 2
Brain Health: Are Teenagers Better at Multitasking?
Frances Jensen, neurologist and author of "The Teenage Brain," investigates whether adolescents are better at multitasking than adults.
TẬP 3
Brain Health: Why Do Teenagers Sleep So Much?
Frances Jensen, neurologist and author of "The Teenage Brain," uncovers the truth about bizarre sleep patterns and fatigue in adolescents.