SciShow
The Strange Scourge of Light Pollution
Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...
Be Smart
Why Do We Have to Sleep
Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here's a look at how sleep works, why we're not getting enough sleep, what happens if you DON'T sleep, and an idea...
SciShow
The Strange Scourge of Light Pollution
Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...
SciShow
The Dress: Now with Peer-Reviewed Science!
Researchers have an idea about how your lifestyle affects the way you see the dress, and we've identified a new ancestor to the dinosaurs!
Curated Video
Prehistoric night
Discover how the lives of humans were transformed by the invention of the electric light bulb. Physical processes - Light - Light sources Learning Points The Sun and stars are natural light sources. Campfires and candlelight are...
Financial Times
Can society turn down damaging levels of light pollution?
FT Rethink - Artificial light is proving to be an ever-growing threat to biodiversity. It's harmful to pollinating insects, bats and a host of other creatures, including zooplankton, and remains a crucial part of the aquatic food chain....
Curated Video
Photography Lighting Tips For Beginners
Good lighting is one of the most important and often overlooked aspects of taking great photographs. Without light, every picture we take would be impossible to see! In this video, Kade explains some simple lighting tips to help your...
Science ABC
This Is What Happens When You Try To Grow A Plant In Artificial Light
Plants can grow in artificial light, but artificial light isn’t as intense as sunlight and has less red and blue light than sunlight. LED lights used in special indoor growth chambers reduce the difference between artificial light and...
Let's Tute
Understanding Plant Nutrition and Photosynthesis
This video explains the process of photosynthesis and how plants obtain their nutrition. It covers the materials required for photosynthesis, how plants acquire them, and the end result of the process. It also highlights the importance...