Join hosts Evie and Garrett as they learn more about light and color! Light is energy. It illuminates and colors our world, but there is more to light and color than the eye can see. Science Trek ...

Can color affect the way we feel? Scientists say yes. Learn why McDonald’s uses yellow in its packaging and why stop signs are red. Science Trek is available to stream on pbs.org and the free PBS App, ...

Most video captured on the iPhone is HEVC, also referred to as H265. It’s a very efficient video codec (it’s literally in the name – High Efficiency Video Coding). While this has the benefit of small ...