Why tourists are being told to wipe their shoes before visiting the ‘world’s clearest lake’
Hikers in New Zealand risk polluting the “clearest lake in the world” with a microscopic alga carried on their boots.
White dwarf stars may host more habitable exoplanets than expected
Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...
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Money blog: Exactly how much more it costs being single revealed
Valentine's Day might be a gift-giving occasion your wallet could do without, but it's thousands of pounds cheaper than being alone. Being single costs £2,533 more a year, Sky News can reveal ...