Back to Show
Reactions
How to Stay Awake Without Caffeine
Season 2
Episode 41
Reactions is telling you how to stay awake with science. You’re tired and you need an energy boost, but you don’t want the jitters from caffeine. What to do? We give you some chemistry-backed tips — one of which involves cats — to boost your productivity and stay awake without refilling the coffee cup.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

12:47
We look at the century-long quest for the Holy Grail: synthetic blood.

13:38
The process might be relatively simple but it's dangerous and illegal without a license.

9:32
Gas stove ranges are polluting our homes.

13:43
We look at the science behind the whole process, from sap to syrup.

11:50
With the right cleaning methods, we can turn the dirtiest water into safe cleaning water.

9:12
Counterintuitively, you do it with explosives.

12:10
We’re gonna dive into the controversial chemistry of water's unusual properties.

10:03
Plot twist: Toxic Anhydrous ammonia is responsible for 50% of the food on your table.

8:43
It all has to do with the octane rating!

7:29
This is a deeper dive into how complicated and climate based hibernation is.

10:50
There is so much more to these “negatively charged particles” than we've thought.

8:31
Making pop rocks at home is so much harder but so much fun. Check it out!