4to40.com

What is dating down?

Deliberately seeking a romantic dalliance with someone less successful or famous. In Hollywood, where egos are very fragile, many celebrities have adopted the habit of ‘dating down’ or the process of trading out a partner whose success is equal to theirs in favour of one who falls about three notches below them on the fame ladder. It’s always easier to …

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What is dangerous about the scorpionfishes?

Their name may give you a clue as to why these fishes must be handled very carefully. These striking fishes are popular in marine aquariums. Drifting through the water with all their fins fully extended, they look wonderfully majestic. The fins are composed of long, separate spines and it is eighteen of these that are potentially very dangerous. The spines …

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What is crop milk?

Crop milk is a secretion from the lining of the crop of parent birds that is regurgitated to young birds. They are found among all pigeons and doves where they are referred to as pigeon milk. Crop milk is also produced by flamingos and some penguins. Crop milk bears little resemblance to mammalian milk, being a semi-solid substance somewhat like …

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What is creative capitalism?

It is a new idea that aims to achieve both the goals of generating profits as well as solving the problem of inequality between the rich and poor by using market forces in a better way. Several companies around the world have adopted this concept by integrating philanthropic motives with product development, and treating the poor as a new class …

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What is coral bleaching?

Coral bleaching is a phenomenon in which corals lose their distinctive colour because they expel the onecelled organisms which live with them in a symbiotic relationship. If a coral is fully bleached, it will turn entirely white, and die unless the stress on the coral is reduced, allowing the symbiotic organisms to return to the coral. Worldwide, coral bleaching began …

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What is coral?

Coral, which people often collect as decoration, is the hard, dried skeleton composed mainly of calcium produced by colonies of small animals very similar to anemones. The polyps of living coral live in tiny cups in the skeleton and are continually adding to its mass. The coral grows into a variety of shapes. Some species produce numerous branches and in …

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