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"For many young people who aspire to be scientists, the great bugbear is mathematics. Without advanced math, how can you do serious work in the sciences? Well, I have a professional secret to share: Many of the most successful scientists in the world today are mathematically no more than semiliterate."

"In November 1941, two ships crossed paths off the coast of Australia. One was the German raider HSK Kormoran. The other: an Australian warship called the HMAS Sydney. Guns were fired, the ships were damaged, and both sank to the bottom of the ocean."

"Get ready for the spectacular sight of an annular or partial solar eclipse over Australia this Friday morning. Ian Musgrave shares his tips on what you'll see where you live, and how to see it safely."

How to make scientific drawings

A description of how students can build a spectroscope.

"This video uses working simple machines to demonstrate how to calculate mechanical advantage. Suitable for any school program involving simple machines. Demonstrates pulley systems including a chain block."

Welcome to LIVESTRONG at School™! Created by Scholastic and the LIVESTRONG Foundation, the LIVESTRONG at School program uses national standards-based lessons to teach your students about the realities of cancer. While it is a difficult subject to talk about with kids, the LIVESTRONG Foundation believes that it is important for students to understand what cancer is and how it can be treated. In addition, this program informs your students about ways that they can make a difference and help those with cancer. The lessons and printable worksheets below make it easy for you to share this valuable information with your class.

"No matter how you are reading this story, you can thank science. Whether it is the transmission of data over the internet or just the pixels on the screen, a combination of science, technology, engineering and mathematics (STEM) is delivering it. The problem is that in Australia, the number of students taking science and mathematics subjects is dwindling - and has been for decades."

"Mercury analyses of the soil surrounding medieval skeletons reveal how the deceased spent their last days. The discovery may change the way archaeological excavations will be carried out in the future."

"This is a 4 minute HD dramatic video choreographed to powerful music, which introduces the viewer to the wonder of DNA. It is designed as a "trailer" to be shown by Biology teachers in high school and college as a visual "Introduction" to this amazing molecule, and how it has directed all life on Earth."

How does one experience synesthesia -- the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color to each day of the week. Richard E. Cytowic explains the fascinating world of entangled senses and why we may all have just a touch of synesthesia.

Lists, rubric, discussion

"For one thing, nine of the 10 hottest years on record have happened in the last decade. So I'll discuss just two facts - how carbon dioxide causes global warming, and where this heat is going."

"This instructable will show you how to build a stand for about $10 that will transform your smartphone into a powerful digital microscope. This DIY conversion stand is more than capable of functioning in an actual laboratory setting. With magnification levels as high as 175x, plant cells and their nuclei are easily observed!  In addition to allowing the observation of cells, this setup also produces stunning macro photography."

Both of these interactive charts could be useful in starting lessons about energy and natural resource consumption. Have students use both interactives to see how they compare to others. Then ask students to identify opportunities for reducing consumption.

Students explore the genetic changes associated with lactose tolerance/intolerance and how the trait is inherited in families.

"How to write electron configurations using the periodic table, or why I think that ptable.com is a great tool for chemistry students!"

From our mobile phones to our televisions, silicon chips are a part of much of our daily lives. Where does silicon come from? Much of it comes from sand. The following video from the Chemical Heritage Foundation explains the concept of how silicon chips are created.

"The search for extraterrestrial intelligence (SETI) has been going on for over half a century. It has mostly drawn a blank. But once in a while there is a flurry of excitement. Here are some of the highlights."