A Virginia opossum confronted by an overwhelming threat may suddenly collapse, become motionless, and appear dead. Its body can go limp, its mouth may remain open, and it may seem …
Camels do not walk on hard, horse-like hooves. Instead, their feet have two toes supported by broad, cushioned pads that help distribute their weight across soft ground. This unusual anatomy …
Lichens may look like ordinary plants, mosses, or colorful stains on rocks, but they are something far more unusual. They are not plants, and a lichen is not a single …
Hydrangeas are among the few garden shrubs capable of producing blue, purple, or pink flowers depending on the chemistry of the soil around their roots. A plant that blooms bright …
Some flies can locate decomposing animal remains by detecting chemical signals carried through the air, sometimes before a person notices any unusual smell. These insects use highly specialized sensory organs …
Most of the wood inside a mature tree trunk is no longer actively transporting water. Yet the tree remains alive because essential tissues responsible for growth, sugar movement, and water …
Earthworms have no lungs, no conventional eyes, and no skeleton made of bones. Yet they breathe, sense danger, move through dense soil, and circulate blood through a surprisingly sophisticated system. …
Penguins are among the most recognizable birds on Earth, yet the diversity of penguin species is far greater than their familiar black-and-white appearance suggests. Some survive the brutal Antarctic winter, …
Gardeners often notice that carrots harvested during cool autumn weather taste sweeter than those pulled during the heat of summer. The idea of carrots sweeter after frost has a real …
Every fall, millions of Americans rake, bag, and remove fallen leaves from their yards. Yet beneath those colorful layers, an entire community of insects and other small animals may be …