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SciTech Now
The power of a sneeze
Bacteria and viruses hitch a ride inside droplets of all kinds—sneezes, raindrops, toilet splatter. By reviewing footage of different types of drops, an applied mathematician records and measures where they disperse in order to better understand how diseases spread.
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Season
![SciTech Now: Episode 620](https://kcet.brightspotcdn.com/dims4/default/8746520/2147483647/strip/true/crop/1440x810+0+135/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2Fx9vzkh2-asset-mezzanine-16x9-j1pV6xU.jpg)
27:16
Impactful tech tools; Improving critical thinking; Concussion sensors; Conserving water
![SciTech Now: Episode 619](https://kcet.brightspotcdn.com/dims4/default/59be374/2147483647/strip/true/crop/1920x1080+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2Fmqngd4O-asset-mezzanine-16x9-0P26SaT.jpg)
27:16
A giant aquifer; Working with composites; Skin cancer detection; Citizen science in Alaska
![SciTech Now: Episode 618](https://kcet.brightspotcdn.com/dims4/default/51749a3/2147483647/strip/true/crop/640x360+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2F8MBGBzD-asset-mezzanine-16x9-VtoeEzB.jpg)
26:46
Learning about language; Future of eye care; Cleaning beaches; Unpacking climate change
![SciTech Now: Episode 617](https://kcet.brightspotcdn.com/dims4/default/5a3f0ec/2147483647/strip/true/crop/1920x1080+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FsNFABjT-asset-mezzanine-16x9-TQuNiOP.jpg)
26:46
A remarkable NASA engineer; Spider silk; A wristband that measures cells; Printing homes
![SciTech Now: Episode 616](https://kcet.brightspotcdn.com/dims4/default/596d8d9/2147483647/strip/true/crop/640x360+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FZhCaE3t-asset-mezzanine-16x9-UoRTxfE.jpg)
26:46
Cryptocurrencies and blockchain; PFAS; Bacteria art; Frogs in the environment
![SciTech Now: Episode 615](https://kcet.brightspotcdn.com/dims4/default/009d01a/2147483647/strip/true/crop/1920x1080+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FxvBCoxA-asset-mezzanine-16x9-UKjocPl.jpg)
27:16
Bias in AI Technology; Turning water back on; Automotive tech industry; Science of seasons
![SciTech Now: Episode 614](https://kcet.brightspotcdn.com/dims4/default/72fd27b/2147483647/strip/true/crop/1920x1080+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FEzwhmbX-asset-mezzanine-16x9-Z5IePnL.jpg)
27:00
The mysteries of gravity; Indoor farming; Squid eyes; A unique high school tech class
![SciTech Now: Episode 613](https://kcet.brightspotcdn.com/dims4/default/92c8bf0/2147483647/strip/true/crop/1920x1080+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FCcj3OK3-asset-mezzanine-16x9-dAaqBeS.jpg)
26:49
Image of a black hole; Tech driven education; Gull colonies; Hands on learning in tech
![SciTech Now: Episode 612](https://kcet.brightspotcdn.com/dims4/default/35f76ba/2147483647/strip/true/crop/1920x1080+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FMxwRAiK-asset-mezzanine-16x9-RxMuaiy.jpg)
26:46
Lab grown meat; Concerns over screen exposure; Making skyscrapers earthquake safe
![SciTech Now: Episode 611](https://kcet.brightspotcdn.com/dims4/default/bd08778/2147483647/strip/true/crop/2560x1440+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2Fi62tXxs-asset-mezzanine-16x9-t2Ar7rE.png)
26:46
The history of paternity science, tech driven education, and restoring seal sight.
![SciTech Now: Episode 610](https://kcet.brightspotcdn.com/dims4/default/9135875/2147483647/strip/true/crop/2560x1440+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FHEu06rr-asset-mezzanine-16x9-RwmywtR.png)
26:46
Phone payment solutions; technology in schools; chemistry of cuisine; personal turbines
![SciTech Now: Episode 609](https://kcet.brightspotcdn.com/dims4/default/30456d2/2147483647/strip/true/crop/2560x1440+0+0/resize/768x432!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FEgLxjPL-asset-mezzanine-16x9-77qHsxl.png)
26:46
In this episode, emojis; arctic drones; water protection; algae blooms in the Great Lakes.