Try Passing this Alzheimer's Screening Test
Season 49
Episode 5
About the Episode
Two women enrolled in a long-running study of the factors that affect Alzheimer's take a test in which they have to memorize shapes and draw them.
Aired:
| Expires: | Runtime: 2m 54s
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Extras
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What really led to the collapse of Easter Island?
What happened to the Rapa Nui civilization is shrouded in mystery.2:58 -
How parrots swing like monkeys
Like monkeys, parrots are also able to travel by suspending their body weight.1:36 -
How Ancient Easter Island statues “walked”
These giant stone heads were not dragged on sleds, as once thought.2:17 -
Hunt for the Oldest DNA Preview
Follow the quest to recover DNA millions of years old for the very first time.0:30 -
Ancient whale fossils found in the desert
What is this whale skeleton doing in the Egyptian Sahara Desert?2:10 -
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Building the Eiffel Tower Preview
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.0:30 -
Easter Island Origins Preview
Surprising new evidence is rewriting the story of the giant stone heads of Easter Island.0:30 -
When Whales Could Walk Preview
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.0:30 -
What Caused the Dinosaurs to Go Extinct?
How did an asteroid impact on one side of the planet cause global devastation?1:50
