Most inherited traits are messy. Height involves hundreds of genetic contributions. Most physical characteristics are the product of many genes interacting with environment and chance, which is why family resemblance…
The flamingo is one of the few animals recognizable from colour alone. The name itself comes from a Spanish or Portuguese word meaning flame-coloured, and the birds are so associated…
Most people picture the Panama Canal as a ditch: a channel cut through the isthmus, joining two oceans, with ships sailing along it. That picture is wrong in a specific…
Source: Wikipedia
Antarctica has around four hundred known subglacial lakes: bodies of liquid water trapped beneath kilometres of ice, kept from freezing by geothermal heat from below and the insulating weight…
Source: Wikipedia
The Great Sphinx of Giza is one of the largest and most recognizable monuments on Earth: a limestone figure with the body of a lion and a human head,…
Source: Wikipedia
The Voyager probes launched in 1977 to study the outer solar system, and they did that job extraordinarily well, returning the first detailed images of Jupiter, Saturn, Uranus and…