A wide range of organisms generate their own light to seek mates, sustenance and survival--inspiring researchers and moviemakers alike

The world of business is a tough one indeed. Anyone will tell you that. From the guys at the top earning billions per year to the lowly freelancer, tucked away

At the beginning of the Fall semester, ProfHacker authors provided a number of tips for how to quickly improve syllabi. Today, we explore the difficulties of shifting a syllabus from one schedule of teaching days to another.

The end of the semester is the best time to do one or two little things that will have a big impact down the line, either in the long term or the short term. So, here are a few items on my end-of-the-semester checklist.

Recently I have received a number of emails asking about places that offer free instructional videos (on all subjects), so I thought I would put together a posting of the main ones that I know about: 5min Life Videopedia - instructional and how-to videos Academic Earth - Thousands of video lectures from the world's top scholars blip.tv - next generation TV network Google Video - videos on all topics Graspr - The instructional video network Howcast - How-to videos iCue...

A free science library and personal learning tool brought to you by Nature Publishing Group, the world's leading publisher of science. Scitable currently concentrates ongenetics, the study of evolution, variation, and the rich complexity of living organisms. As you cultivate your understanding of modern genetics on Scitable, you will explore not only what we know about genetics and the ways it impacts our society, but also the data and evidence that supports our knowledge.

If you spend any amount of time using a wiki-or, for example, services such as Flickr or delicious, where you can tag and organize your material in a variety of different ways-then sooner or later entropy will tend to set in. You'll need to do a little gardening to keep things in order.

Many of us use instant messaging in our professional and personal lives, and we can pair IM with different tools to offer digital office hours.