#FunFact#
Facts of the Day
- Partial solar eclipses are hazardous to view because the eye’s pupil is not adapted to the unusually high visual contrast.
- Small animals such as flies and hummingbirds experience time in slow motion, which is why they can avoid your newspaper swats.
- Barack Obama was the first sitting U.S. president to visit Hiroshima, 71 years after the atomic bomb.
- American bullfrogs’ eyes have special retinas. The top half sees in daylight, the bottom sees into the water in infrared.
- Only 41% of items on to-do lists are ever actually done. ?
- The moon is moving away from us by 3.78 cm (1.48 in) a year.
- The use of seat belts in the F1 wasn’t mandatory until 1972.
- The Titanic is the only ocean liner to ever be sunk by an iceberg.
- The expiration date on water bottles is for the bottle, not the water.
- Sniffer bees and wasps have been trained to detect illegal drugs and explosive materials, and their ability to do so rivals sniffer dogs.
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- 2019年1月30日 01:58打卡
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