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Shape Memory Alloys
0:32
These metals "remember" their original shape and revert to it when heated.
Jellyfish
0:38
These buoys can move through the ocean for months with little more than a battery.
Bird Wings
1:56
Some day shape memory alloys could help build airplane wings that bend.
Silicon Transistors
0:50
Silicon is a semiconductor, and makes an excellent transistor in a computer chip.
Clouds and Weather
3:21
Visit NOVA Labs: pbs.org/nova/labs
CloudLab_Megastorm_02
0:31
CloudLab_Megastorm_02
CloudLab_Megastorm_01
0:35
CloudLab_Megastorm_01
CloudLab_Megastorm_05
1:04
CloudLab_Megastorm_05
CloudLab_Megastorm_04
1:43
CloudLab_Megastorm_04
CloudLab_Megastorm_07
3:07
CloudLab_Megastorm_07
How the 1918 Flu Infected People
0:25
The 1918 flu virus infects deep in the lungs, which may have made it more deadly.
Fertilizing the Amazon
3:27
Nutrient-rich dust from the Saharan Desert blows across the ocean to the Amazon.
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