Although Dimitri Mendeleev developed the periodic table in 1871, there have been many changes and discoveries since. A video lesson presents the contributions of two prominent women chemists: Maire Curie and Ida Tacke. The narrator...

Snakes are just lizards without legs, right? Scholars study the sensational evolutionary history of the snake with a video from a well-written biology playlist. Topics include snake fossils, theories on snake evolution, and...

How do organisms end up with such a wide variety of traits? It's in their genes! Kick off your inherited traits lesson using a brief video that covers alleles and genes. The narrator describes heterozygous and homozygous genotypes, how...

Our relationship with toxins is, well, a little toxic. Explore how harmful substances work their way throughout the environment with a video from an expansive biology playlist. Topics include DDT and mercury, trophic levels, and water...

Why shouldn't you eat that? The video gives an overview of several plants that are deadly to humans. The presenter explains the history and chemistry of each of the plants.

Welcome to the Augmented Age. Futurist Maurice Conti introduces viewers to his predictions of what to expect from the Augmented Age, an age of computers and robotic systems that work with humans to imagine, design, and build all sorts of...