The lotus plant is known for self-cleaning leaves — water rolls off in droplets, taking dirt with it (the lotus effect).
Fact #5172
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Some conifer seeds require fire to germinate — heat from wildfires melts the resin sealing their cones.
Fact #5193 · Nature
The touch-me-not plant (Mimosa pudica) closes its leaves when touched and remembers the stimulus for weeks.
Fact #5179 · Nature
Lightning is hotter than the Sun.
Fact #1698 · Nature
A bolt of lightning is five times hotter than the surface of the Sun.
Fact #3571 · Nature
Mangrove trees can desalinate seawater — their roots filter out up to 90% of salt.
Fact #5158 · Nature
The United States has lost half its wetlands since European settlement — reducing flood protection and wildlife habitat.
Fact #9258 · Nature
Cacao trees grow their pods directly from their trunk and major branches, not from small branches.
Fact #5171 · Nature
Lichens are not single organisms — they're a symbiosis between fungi and algae (or cyanobacteria).
Fact #9182 · Nature
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