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Decorative white silk crosses are an ingenious tactic used by orb-weaving spiders to protect their w
Horses need to lie down occasionally, and prefer soft ground for a nap.
Horses too young to be ridden are trained to accept a halter, taught basic skills, manners, and beco
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
A typical bank statement.
Oil molecules cling to metal surfaces but easily slide against each other.