# Math and science in life

## 10 Awesome Online Classes You Can Take For Free - StumbleUpon

1. 7 of them are available via YouTube. 2. iTunes is free. It's clunky, but who cares? Do you somehow lose geek-cred just by installing it specifically for this? I thought geeks geeked out on downloading entire programs just to be able to use it for a single solitary function and then discarding it when done. 1.
By Dean Praetorius | HuffingtonPost.com Earth could be getting a second sun, at least temporarily. Dr. Brad Carter, Senior Lecturer of Physics at the University of Southern Queensland, outlined the scenario to news.com.au.

## Two Suns? Twin Stars Could Be Visible From Earth By 2012 - StumbleUpon

See Math tricks on video at the Wild About Math! mathcasts page. Being able to perform arithmetic quickly and mentally can greatly boost your self-esteem, especially if you don't consider yourself to be very good at Math. And, getting comfortable with arithmetic might just motivate you to dive deeper into other things mathematical. This article presents nine ideas that will hopefully get you to look at arithmetic as a game, one in which you can see patterns among numbers and pick then apply the right trick to quickly doing the calculation.

## Impress your friends with mental Math tricks & Fun Math Blog

How to create an unfair coin and prove it with math
Want to make sure you win the coin toss just a little more often than you should? I certainly do, so I made some unfair coins. We’ll use the beta distribution to see just how unfair they are.

The Fibonacci numbers play a significant role in nature and in art and architecture. We will first use the rectangle to lead us to some interesting applications in these areas. We will construct a set of rectangles using the Fibonacci numbers 1, 1, 2, 3, 5, 8, 13, 21, and 34 which will lead us to a design found in nature.