c common functions library extracted from my open source project FastDFS. this library is very simple and stable. functions including: string, logger, chain, hash, socket, ini file reader, base64 ...

Use leaves, fruit, and flowers to identify hardwood trees common to North American forests. Learn about species characteristics and locations.

Animals Rats are infesting these nut trees in California and experts can’t explain why California’s Central Valley is suffering from a rat problem, which is affecting a certain type of tree.

We talked to trichologists about the benefits of using tea tree oil for hair, and they recommended their go-to products. Plus, editors share their favorite tea tree oil shampoos and conditioners.

A food web is a diagram showing an ecosystem's complex feeding relationships. Learn about types of food webs and how they differ from a food chain.

The economy, explained, with stories and surprises. Imagine you could call up a friend and say, "Meet me at the bar and tell me what's going on with the economy." Now imagine that's actually a fun ...

Interest is defined as the cost of borrowing money or the rate paid on a deposit to an investor. It can be classified as simple interest or compound interest.