Some animals change color with the seasons, not just to camouflage, but also to regulate their body temperature. Lighter colors reflect more sunlight in summer, while darker colors absorb more in winter. elaborate
A red sky at night, sailor's delight; a red sky in the morning, sailor's warning. This common weather lore is based on the scattering of sunlight by high-altitude particles, offering a clue about the approaching weather system. elaborate
Wildfire risk is significantly increased by the presence of invasive plant species, which often have higher flammability than native vegetation. elaborate
The world's fastest supercomputers can perform calculations faster than the total number of seconds that have passed since the Big Bang. elaborate
Crepuscular rays, those dramatic sunbeams that appear to radiate from the sun, are actually caused by shadows cast by clouds or other atmospheric particles. elaborate