Question from Kelly Olsen Dark and milk chocolate both contain cocoa solids, cocoa butter and sugar, but as its name suggests, milk chocolate also contains milk in the form of milk powder, liquid milk...
Question from Peter Reeves This is known as an afterimage, and is caused by the effects of the light on the cells in the back of your eye. Your eye detects light using specialised...
Question from Kevin Watson Tudor England was generally selfsufficient, not needing to rely on imports. People ate a lot of fresh food because storing food was difficult. Even peasants had small pieces of land,...
Question from Eduardo Raffaele Like us, animals carry microbes, most of which live on the skin or in the digestive system. Whole cuts of beef tend to be safe to eat rare because their...
Question from Hannah King According to recent research, the best time to start learning a language is before the age of ten. There are three reasons for this. First, children have more time to...
Question from Jelka van Hoek Static electricity forms when materials rub together and either gain or lose negatively charged electrons, causing a negative or positive charge to build up (respectively), which can cause a...
Question from Rosie Kay The first known reference to drinking coffee was made in 900 CE in an Arabic medical textbook. However, it wasn’t until the 15th century that the coffee industry took off...
Question from Chelsea Barker Antiseptics and antibiotics are both forms of antimicrobials, which are compounds that kill microbes such as bacteria, fungi and other pathogens. Antiseptics like iodine and rubbing alcohol are applied externally...
Question from Davood Ahmed Each geyser sits atop a unique network of cavities and fractures within a rock, and it is unclear what differentiates regularly erupting ones. Geysers require a rare combination of geothermal...
