Safari Live - Day 337 | National Geographic

[Music] I try to use insect repellants that are natural, so my number one ingredient is hogard. Next is genuine old-fashioned turpentine. That, my friends, is insect repellent. There’s a couple other things I might mix in with it, but that’s a secret. So…

So, I have these two molecules here: propane on the left and acetaldehyde here on the right. We’ve already calculated their molar masses for you, and you see that they have very close molar masses. Based on what you see in front of you, which of these do …

So I’ve got a binomial variable ( x ) and I’m going to describe it in very general terms. It is the number of successes after ( n ) trials, where the probability of success for each trial is ( p ). This is a reasonable way to describe really any binomial …

Mountain lion, puma, cougar— all names for an animal that has long been misunderstood, feared, hunted, and eliminated from most of its range. The cougar is often believed to be solitary and even heartless, but recently, deep in the Wyoming Wind River Rang…

Hey, Vsauce. Michael here. Earlier this month, I travelled to Kourou in French Guiana with euronews to watch the launch of Vega Rocket, if it happened while I was there. Waiting at the observation point with only minutes to go, the launch was postponed be…

[music playing] KARSTEN (VOICEOVER): I’ve asked my friend Lugs to help me take a look at the Ping Shin 101’s last journey. KARSTEN: Let’s just go through this together because there are a couple of things I need some verification on. Ready? KARSTEN (VO…