Safari Live - Day 42 | National Geographic

Back here at home, time is running out to avoid a government shutdown. Billions of Americans could go without paychecks, including members of the military. The country is headed for a shutdown, and everyone should prepare as such. Big guys, it’s Graham h…

[Voiceover] Electric Charge is a property that some, but not all fundamental particles in nature have. The most commonly talked about fundamentally charged particles are the electrons, which orbit the outside of the atom. These are negatively charged. The…

We’re told a city bike rental service charges customers based on how long they rent the bicycle. The table shows the total cost for renting a bicycle as a function of the number of rental hours. So they say complete the equation to model the hourly rental…

There is a hole at the bottom of math, a hole that means we will never know everything with certainty. There will always be true statements that cannot be proven. Now, no one knows what those statements are exactly, but they could be something like the T…

[Music] Some of the most practical uses of industrial hemp in the modern day, of course, are the same as they ever were: building materials, paper, textiles, seed oil, nutrition. Hempcrete, of all the 50,000 known products that we can make with industrial…

In life, anything is possible because we can never fully understand how the world works. The laws of physics prevent us from being able to tell the future. Everything we predict is a probability; some are a lot more probable, others are less probable, whi…