Azide Az for the nitrogen, ide for the negative ion just like chloride. The salt sodium azide could blow your mouth off if you had it on your chips. Podcast

A final year 2017 school Physics exam question is answered. Listen to a question that is turned around backward and then systematically answered. Podcast

Tackling this 2017 exam question backward gets to the heart of the Physics. There seems to be a lack of understanding of the figure 8 eddy current generated in breaking. Podcast

There is a technique that NSW Australian teachers will tell you is famous through out the world, but does it work. It is the A Learning And Response Matrix. The ALARM method overlaps education concepts, and produces responses when students have no idea of what to write.  There is a discussion, of the idea of techniques in general and what you may be giving away when you buy into them. Podcast

The story of the hormone that is afraid of the dark is only half the story. Check out the hexagons, pentagons and layer of electrons slapped on this great molecule. Step of here to enjoy Pyrroles. Podcast

If Pyrroles made your mouth water wait till you see four them framing iron in the heme molecule! What beautiful vocalized Pi orbitals. Podcast

A fascinating tour of your own brain takes you on journey through light receptor to you "magic" pine cone that then sprinkles sleep dust (melatonin) through your body. Podcast

After you have been studying for a while it is good to put all the information what fit in what together.  The last part of the track through bases, DNA, genes, alleles , genotypes and phenotype is worth thinking over. Podcast

The human gene comes with expression instructions in the DNA before we hit the gene proper, a start here marker, then chunks called exons interspaced with buffer packaging called introns which are dis-guarded. A lot of  sources represent genes as simple strips as they appear in primative cells such as bacteria and archaea. Podcast

These devices are give your electric car or bus a sporty feeling and have the cost and lifetime to take your home off grid forever (= quite a longtime). Starting off with the basic equation the magic is explained. Podcast