SciTech Now

Thursday, December 7, 11:30 pm on KPBS2

Duration: 0:26:46

Description: On this episode: Like many spice junkies, Dr. Marco Tizzano once believed he could develop a tolerance to the burning, painful sensations generated by eating chilies. But as a chef and researcher in chemosensory sensations, he now knows better. Dr. Tizzano explains how capsaicin creates a chemical cascade inside your body, and why emotions might make chili lovers think they can handle the heat; While runways and award shows continue to inspire what we wear, innovation around how we buy clothes seems to be running fashionable late. The industry may be seeing trickles of technological advancement, but many startups are responding with creative and common sense approaches to purchasing and the consumer experience. Brian Hecht, our serial entrepreneur, joins Hari Sreenivasan to discuss tech startup and the trends in the fashion industry; It's a question scientists and sci-fi fans alike have been exploring for years: is there life on Mars? To find the answer, scientists are studying the planet's climate history. According to new findings using data from NASA's mars reconnaissance orbiter, lakes and snowmelt-fed streams on mars formed much later than previously thought possible. Sharon Wilson Purdy, geologist at the Smithsonian National Air and Space Museum speaks with Andrea Vasquez about these new findings, and what they tell us about the possibility of life on Mars; Today, cell phones, Wi-Fi and Bluetooth signals can be a risky two way street, offering hackers and malicious intruders' pathways to invade our digital lives. Cyber security experts explain why they think we need to be more diligent about protecting ourselves from digital invaders.


Broadcast In: English