Safari Live - Day 129 | National Geographic

We’re replicating a psychological experiment about perceptions of discomfort. (Participant exhales deeply) This is a bucket of cold water. Yep. You’re gonna put your hand in and you’re gonna keep it in there for a duration that we won’t tell you. As it’…

Today, Jeff and Robert will use the lava oven to find out what happens to liquid rock when it collides with liquid water. They begin by melting 800 lb of basalt rock. The start out is crushed in gravel, and when we see it later and dump it out, it’ll be l…

The Future of Reasoning Hey, Vsauce! Michael here. Where is your mind? Is it in your head? I mean, that’s where your brain is — and your brain remembers, plans, makes judgments, solves problems … but you also remember and plan with things like these and …

So we have listed here two significant properties of indefinite integrals, and we will see in the future that they are very, very powerful. All this is saying is the indefinite integral of the sum of two different functions is equal to the sum of the inde…

[Music] This is green, this is red, and this is blue. But how can you tell what you’re seeing as blue is the exact same thing as what I see as blue? We’ve named the colors to give us a way to communicate and reference them. But in reality, there’s no way …

Gaining respect and moving things along requires confidence. Today’s world moves quickly, and decisions are made in the blink of an eye. The last thing you need in such a cutthroat world is to undercut yourself, but that’s what many of us do when we commu…