Molecular tour of the Heme & why you Poo is brown

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

Molecular Tour of Melatonin - the magic sleep hormone

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

Super Exam Answer technique ... but does it work?

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

Human Genes: use instructions, then broken up in chunks

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

Quark to Phenotype: a lightening speed tour through different scales.

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

Blue light made me forget

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

What are they measuring with all those wires when you sleep.

Starting with the story of the unstable but inquisitive cavalry man we find out what the four traces are on your sleep chart recording. Podcast

A capacitor that you can change to see how it works

Laying down a layer of aluminum foil, then paper, then foil... you make a stacked film capacitor that you can listen to as it regulates a simple oscillator circuit. Hard not to learn from this activity. Podcast

Supercapactiors

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

Build to learn about capacitors

Using two rolls of Al foil and two of lunch wrap we build a useful capacitor and understand how they are made. Podcast