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Ants follow Fermat's principle of least time

(Phys.org) —Ants have long been known to choose the shortest of several routes to a food source, but what happens when the shortest route is not the fastest? This situation can occur, for example, when ants are forced to ...

Why are bees and wasps so busy in autumn?

(Phys.org)—You buy a cider doughnut at the apple orchard and they quickly find you. Your kid opens a sports drink at the soccer field and they show up. You dine on the deck on a warm afternoon and sure enough, there they ...

Happy workers are 13% more productive

Research by Oxford University's Saïd Business School, in collaboration with British multinational telecoms firm BT, has found a conclusive link between happiness and productivity.

How dangerous are cattle, and how can you stay safe around them?

A well-respected retired academic was recently trampled to death by cattle while walking in Oxford. In 2012, my father was hospitalised after being attacked by cows while walking his dogs through a field next to his village. ...

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Laborer

One of the construction trades, traditionally considered unskilled manual labor (as opposed to skilled labor). In the division of labor, laborers have all blasting, hand tools, power tools, air tools, and small heavy equipment, and act as assistants to other trades , e.g. operators or cement masons. The first century BC engineer Vitruvius writes in detail about laborer practices at that time. In his experience a good crew of laborers is just as valuable as any other aspect of construction. Other than the addition of pneumatics, laborer practices have changed little. With the advent of advanced technology and its introduction into the construction field, the laborers have been quick to include much of this technology as being laborers work.

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