How many infectious diseases in humans have we eradicated through immunisation?
Rank the following in terms of their iron content: dung beetle, beef, termite, fish.
Where in the body are endorphins produced?
True or False? Whales have only one blowhole.
The Goldilocks zone is a term used to describe the region around a star where the temperature permits a planet to maintain liquid water on its surface.
One. Smallpox is the only disease to have its prevalence amongst the global population reduced to zero.
Termite (35.5 grams per 100 grams), dung beetle (7.7), beef (3.5), fish (1.0). Forget iron tablets – eat termites!
The pituitary gland and the hypothalamus (a part of the brain).
False. Baleen whales such as blue whales and humpback whales have two blowholes, just as other mammals having two nostrils. Toothed whales such as sperm whales, orcas and dolphins, on the other hand, have only one nostril (the other nostril evolved into a tool for echolocation). The Australian Government has just submitted a new proposal to the International Whaling Commission to strengthen whale conservation efforts.