Periodic Table of Videos

The Periodic Table of the Elements compresses an amazing amount of information into 118 boxes, one for each chemical element. The most stunn...

Show And Tell--Sharing Science By Video

The Journal of Visualized Experiments (JoVE) makes hands-on science available by video. Real scientists demonstrate their experiments on li...

How Much Radiation Is Bad For You?

Putting Fukushima In Perspective This excellent chart puts in perspective the various amounts of radiation we might be exposed to....

Climate Change--What We Know and What's Uncertain

The Royal Society has published Climate change: A summary of the science . It has the aim "to summarise the current scientific evidence...

What Is The "Greenhouse" Effect?

This post will help you understand Why the "greenhouse effect" has to do with gases in the atmosphere, How these "greenhouse ...

Latent Heat--Sweat, Storms and Cooling Towers

If you don't understand "latent heat" you can't understand how much of the biosphere or a lot of engineering works. The la...

Plants Unhappy About Global Warming

Rice field in Bangladesh New science raises serious concerns about the negative impact of global warming on crop yields and plant productivi...