Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again?

After decades of improvement, the number of malaria deaths is on the rise again. So scientists are experimenting with a new kind of mosquito control, and it's not an insecticide.

If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?

Hank hits you with a ton of news this time - Amazon CEO Jeff Bezos has plans to retrieve Saturn V rocket engines from the bottom of the Atlantic; new research on the impacts from the Deep Water Horizon oil spill to life in the Gulf of...

Eliminating certain species of mosquitoes could make summertime more enjoyable and cut down on the transmission of certain diseases. And scientists are looking into doing this by manipulating a single gene!

Hank hits you with a ton of news this time - Amazon CEO Jeff Bezos has plans to retrieve Saturn V rocket engines from the bottom of the Atlantic; new research on the impacts from the Deep Water Horizon oil spill to life in the Gulf of...

Eliminating certain species of mosquitoes could make summertime more enjoyable and cut down on the transmission of certain diseases. And scientists are looking into doing this by manipulating a single gene!

Hank introduces us to the brilliant and heartless Fritz Haber, a great mind who is considered "the father chemical warfare," but who also made discoveries and innovations that helped lead to the Green Revolution which is credited with...

Both male and female Cimex lectularius feed on humans.

You've probably noticed that dead or dying bugs end up on their backsides, and that's not just your imagination! It turns out there are some physics at play here.

If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?

Spiders have a long and fabled history of being a notorious creepy-crawly, but their silk might just change that image. Here are six ways in which spider silk is being studied to improve life for human beings.

In this video Paul Andersen describes the pros and cons of industrial agriculture including: monocropping, irrigation, and the use of pesticides, fertilizers, and GMOs.

This Science 6 instructional video discusses natural selection and evolution.

Howcast -Starting and maintaining a garden can be challenging. Make sure you have the supplies you need to help you reap a large harvest.

Get those fleas to flee your scene with these easy-to-follow tips.

Learn about the discovery and usage of DDT as an insecticide, its toxic nature, and the environmental impact it had. Discover how DDT contamination persists in our oceans, its connection to industrial practices, and the current efforts...

Insecticide

More trade tends to lead to more prosperity for a society. So everyone should favor completely free international trade, right? Well not exactly. Some economists promote protectionism, which restricts trade with other countries to...

Let's take a look back at the elements sodium, oxygen, argon, arsenic, and zinc.

Marine scientists say they have found what they believe to be more than 25,000 barrels containing DDT dumped off the southern California coast near Catalina Island.<br/>

The video discusses the threat posed by new strains of mosquitoes that are resistant to insecticide-treated bed nets, which have been successful in controlling the spread of diseases. The video highlights the importance of continued...

REAL WORLD SCIENCE: Biological Vectors and Infectious Diseases
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Using incredible videography, photos, animation and graphics, this information-packed video introduces students to biological vectors. Viewers will...

This video provides an overview of arsenic, a metalloid element. It discusses its history, uses, and toxicity. It also highlights its presence in various products and its potential role in our diet. The video emphasizes the importance of...