science Facts — Factcovery

food1,240 views
Honey Never Expires
3,000-year-old honey found in Egyptian tombs was still edible.
food history science
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animals985 views
Octopuses Have Three Hearts
Two hearts pump blood to the gills, one pumps it to the body.
animals science biology
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nature2,150 views
Trees Communicate Through Underground Fungal Networks
Forests share nutrients and warnings through underground fungal networks.
nature science biology
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science1,876 views
Bananas Are Naturally Radioactive
Bananas contain a radioactive isotope, giving rise to the "Banana Equivalent Dose" unit.
food science health
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space2,640 views
Space Is Completely Silent
No medium means no sound — but pressure waves do exist in interstellar gas clouds.
space science physics
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psychology1,422 views
Your Short-Term Memory Holds Only 7 Items
George Miller found we can hold about 7 items in working memory — hence 7-digit phone numbers.
psychology health science
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animals2,230 views
Dolphins Sleep With Half Their Brain at a Time
One brain hemisphere sleeps while the other stays alert — keeping one eye literally open.
animals science biology
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Honey Never Expires