It's False - Ostroporosis literally means porous bones. It's an age-related disease in which bones become much thinner and more prone to fracture. It's more common amongst women than men.

It's False Scientists with high-speed cameras have discovered that rain drops are not tear shaped but rather look like hamburger buns.

It's False - They are acutally 95% water ! They have no heart, bones, or brain, and have no real eyes (except the box jellyfish (chironex) which does have eyes).

It's True . Giant bamboo plants are capable of this amazing growth spurt, although the Central African raffia palm is known to have the longest leaves- they can measure up to 82.5 feet long.

It's False – the hard white covering on your teeth is the enamel - the dentine is the softer material underneath.

It's False - Rather scarily, it would take about a tenth of that, just over a million bites to drain your blood. But you'd probably notice before then.

It's False - The collar bone is the bone most likely to be broken - usually by people falling onto their out-stretched arm...and the wrist is actually a collection of bones.

It's False Pencil lead is actually graphite, a form of carbon.

It's True - Belches from farmyard animals account for over 20% of the global emissions of the greenhouse gas methane – but not if you feed them on a seafood diet ! Researchers from Belgium have discovered that adding fish oil to animal feeds dramatically reduces methane production in the stomach, but without affecting digestion. The oil works by preventing the growth of gut bacteria which normally break down food to produce methane. The researchers also hope that the fish oil supplements will make the animals healthier and so too the people that eventually eat them !

It's True - The honour belongs to the flying foxes in Asia who's six foot wing span is about the length of a surf board.