Safari Live - Day 368 | National Geographic

In this video, we’re going to introduce a couple of words to help talk about the relationship between sine and cosine, or different sinusoids that have the same frequency but a different timing relationship. So what I’ve shown here is a plot of a cosine …

Homeopathy may be the most controversial but also the most popular alternative medicine. While some argue against it, others swear by its great power and effectiveness. How does homeopathy work? How did it become what it is today, and what can modern medi…

ALBERT EINSTEIN (VOICEOVER): Based on this new phenomenon, it is conceivable, though much less certain, that an extremely powerful bomb of a new type may be constructed. FRANKLIN DELANO ROOSEVELT: A single bomb of this type, carried by boat and exploded …

All right, the Veck, why don’t we start with what you guys do, and then we’ll rewind to before you even did YC? Yes, sure! I’m S. V. Ivent, one of the founders and CEO of HackerRank. Our mission at HackerRank is to match every developer to the right job,…

Zone Seven, yes, um, Bill Amman from New York. Uh, there is there a price at which it’s inappropriate for a company to use its capital to buy back its stock? Give me that again. For example, Coca-Cola at 40p. Is that a smart place for Co to deploy capital…

[Music] Alcohol has been a component of human culture for thousands of years. From its prehistoric inception to its many uses in modern times, alcohol has had countless effects on our cultures and our lives. Throughout the course of human history, alcohol…