News tagged with population
From yeast, researchers learn how populations collapse
In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...
Jun 01, 2012 |
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Physics to tackle how food is cooked in future
In this month's Physics World, Sidney Perkowitz, Candler Professor of Physics Emeritus at Emory University, explains how applied physics led to the innovation of flameless cooking in the late 19th century and addresses the ch ...
Jun 01, 2012 |
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Highway through Amazon worsens effects of climate change, provides mixed economic gains
Paving a highway across South America is providing lessons on the impact of road construction elsewhere.
May 31, 2012 |
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Plant research funding crucial for the future
The scientific community needs to make a 10-year, $100 billion investment in food and energy security, says Carnegie's Wolf Frommer and Tom Brutnell of the Donald Danforth Plant Science Center in an opinion piece published ...
Jun 01, 2012 |
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The art of telling it like it isn't
There are certain things in life we'd rather not conjure up too vividly, and for this we have at our disposal a range of linguistic deodorisers, smokescreens and fig leaves. These are euphemisms. They are ...
Other Sciences / Social Sciences
May 28, 2012 |
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Homecoming buzz: short-haired bees return to UK
(AP) -- A conservationist says she is releasing 100 short-haired bees into the wild, 20 years after they were wiped out in the British countryside.
May 28, 2012 |
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Mechanical properties of stem cells can foretell what they will become
To become better healers, tissue engineering need a timely and reliable way to obtain enough raw materials: cells that either already are or can become the tissue they need to build. In a new study, Brown ...
May 21, 2012 |
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House mice put endangered petrels at risk of extinction
Common house mice are demolishing what could be the only breeding population of endangered Atlantic petrels in the world, scientists have found.
May 16, 2012 |
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Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers
Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...
May 23, 2012 |
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Elephant seal tracking reveals hidden lives of deep-diving animals
Researchers at the University of California, Santa Cruz, who pioneered the use of satellite tags to monitor the migrations of elephant seals have compiled one of the largest datasets available for any marine mammal species, ...
May 15, 2012 |
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Big-mouthed babies drove the evolution of giant island snakes
Some populations of tiger snakes stranded for thousands of years on tiny islands surrounding Australia have evolved to be giants, growing to nearly twice the size of their mainland cousins. Now, new research ...
May 15, 2012 |
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Mapping the genomes of crocodiles and alligators -- It's not for the faint of heart
(Phys.org) -- David Ray never turns his back on his research, and with good reason! "If it can't bite you, it's not interesting," he jokes.
May 22, 2012 |
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Whale population size, dynamics determined based on ancient DNA
Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early ...
May 09, 2012 |
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Bees at risk from chemicals increase, scientists say
Pesticide use rose by 6.5% between 2005 and 2010, increasing the risk to bee populations, according to new research from the University of Reading launched today by Friends of the Earth.
May 24, 2012 |
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WWF says over-consumption threatens planet
The spiralling global population and over-consumption are threatening the future health of the planet, according to conservation group WWF.
May 15, 2012 |
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Population
In biology, a population is the collection of inter-breeding organisms of a particular species; in sociology, a collection of human beings. Individuals within a population share a factor may be reduced by statistical means, but such a generalization may be too vague to imply anything. Demography is used extensively in marketing, which relates to economic units, such as retailers, to potential customers. For example, a coffee shop that wants to sell to a younger audience looks at the demographics of an area to be able to appeal to this younger audience.
For more information about Population, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
