- The first metered taxi was introduced in 1907.
- Dark roasted coffee beans contain less caffeine than medium roasted ones (the longer a coffee is roasted the more caffeine is burns off).
- There are over 97,000 km (60,000 miles) of blood vessels in the average person.
- Aichmophobia is the fear of needles and pointed objects.
- Spiders have transparent blood.
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