This podcast is brought to you by the number 22. This week Karl and Adam are back on their favourite subject, #manwashing. Karl recently met a young bloke at Sydney Uni who as a 12 year-old kid, created what Karl believes to be an almost perfect #manwashing invention - it seems Adam agrees, this kid is a genius. Speaking of impressive, we don’t exactly know how spiders make silk, but we do know how we might use this research to help cure to Alzheimer’s Disease.TWITTER TIME this week … Is there a theoretical minimum size for the smallest sub-particle?