Safari Live - Day 42 | National Geographic

So, let’s talk a little bit about abiotic factors for an organism’s range. Before we even get into it, let’s just think about what these words mean. In other videos, we’ve talked about how abiotic means non-living, while biotic would refer to living. So, …

[Narrator] The brain is the most complex organ in the human body. As part of the nervous system, the brain coordinates all of the body’s functions. In adult humans, the brain is a three-pound gelatinous mass of fat and protein. It’s comprised of four main…

We’re asked at how many points did the graph of y equals sine of theta and y equal cosine theta intersect for theta between 0 and 2 pi, and it’s 0 is less than or equal to theta, which is less than or equal to 2 pi. So, we’re going to include 0 and 2 pi, …

And there’s no easy way to say this but, you know, I vote. I’ve always been honest with this channel. I’ve always been pretty upfront with everything. Wow, I didn’t expect to be this nervous about discussing this. I’ve actually probably actually pretty ne…

Hey, it’s me, Destin. Welcome back to Smarter Every Day. So, in fifth grade, I used to make paper airplanes with my best friend Tim. Now, we took two different approaches. You see, I would read books and try to figure out the best way to make a paper airp…

The human body is a complex network of cells, tissues, and organs that together make life possible. Ten major systems are responsible for the body’s functions: skeletal, muscular, cardiovascular, nervous, endocrine, lymphatic, respiratory, digestive, urin…