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A microscope (from the Greek: μικρός, mikrós, "small" and σκοπεῖν, skopeîn, "to look" or "see") is an instrument used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called microscopy. Microscopic means invisible to the eye unless aided by a microscope. There are many types of microscopes, the most common and first to be invented is the optical microscope which uses light to image the sample...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...

Eli Saban from the Israeli city of Ashdod caught a huge and very rare tuna fish. The fish weighed over 330 lbs (150 kg). The fisherman was told that the fish was worth $125,000. Tuna fish Tuna are salt water fish from the family Scombridae, mostly in the genus Thunnus. Tuna are fast swimmers, and some species are capable of speeds of 70 km/h (43 mph). Unlike most fish, which have white flesh, the muscle tissue of tuna ranges from pink to dark red...

An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, mollusks, fish, and monotremes, an egg (Latin, ovum) is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing embryo can survive on its own. Oviparous animals are animals that lay eggs, with little or no other development within the mother...

The lying down game (also known as planking, or face downs) is an activity, popular in various parts of the world, consisting of lying face down in an unusual or incongruous location. The hands must touch the sides of the body, and having a photograph of the participant taken and posted on the Internet is an integral part of the game. Players compete to find the most unusual and original location in which to play...

If Chris Malloy's Hoverbike works as it's designed to work, there's going to be a long line of customers waiting for a chance to get on board, this twin rotor BMW boxer powered hovercraft flying motorcycle will do more than give you the feeling of flying, you'll BE flying. The carbon fiber Hoverbike weighs 231 pounds with a maximum takeoff weight of 595 pounds...