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SciTech Now
The extinction crisis
A new study is re-evaluating the extinction of thousands of animal and plant species. Leading this project is Columbia University professor and biologist Don Melnik. He joins Hari Sreenivasan to explain why he believes current extinction estimates are vastly underestimated.
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The effects of language brokering; revisiting the moon; a new key to medical supplies.

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Preserving the past through VR; body cams for classrooms; biometrics for sports injuries.

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The farthest object ever studied; sharks and citizen scientists; a smaller space race.

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In this episode; secrets of Dino poop, reinventing high school; transmitting body signals.
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Robot human collaborations; invisibility cloak; space exploration; science fact & fiction.
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Fighting cybercrimes; an anticancer mouthwash; and redesigning the spinal tap.
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Box jelly Venom; chocking under pressure; the ultracold work; & the future of engineering.
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Video game storytelling; NASA's dying robot; 3D printing & medical devices
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Robotics; Computers trained to identify wild animals; and Astronauts.
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Understanding emergence; octopus intelligence; and understanding dementia in humans.
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GPS for your body; how the brain processes information; hackers; beautifying freeways
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The minds of Raccoons; working on combating computer hackers; and an underwater discovery.