Earth Day crowds leaving carbon footprints
Environmental activists say many public Earth Day and other environmental events are leaving a trail of waste and carbon emissions.
Environment
Apr 23, 2008
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23/04/2008
Greenpeace takes on tuna fishing
Greenpeace says it confronted a U.S. tuna boat in the South Pacific this week as part of an effort to fight overfishing by commercial fishing fleets.
Environment
Apr 23, 2008
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Early parents didn't stand for weighty kids
Scientists investigating the reasons why early humans – the so-called hominins – began walking upright say it’s unlikely that the need to carry children was a factor, as has previously been suggested.
Apr 23, 2008
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Insects use plant like a telephone
Dutch ecologist Roxina Soler and her colleagues have discovered that subterranean and aboveground herbivorous insects can communicate with each other by using plants as telephones. Subterranean insects issue chemical warning ...
Apr 23, 2008
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Variety is the spice of life: too many males, too little time...
Female Australian painted dragon lizards are polyandrous, that is, they mate with as many males as they can safely get access to. This promiscuous behaviour is often found in species where male quality is dubious and there ...
Apr 23, 2008
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Menstrual blood -- a valuable source of multipotential stem cells?
Researchers seeking new and more abundant sources of stem cells for use in regenerative medicine have identified a potentially unlimited, noncontroversial, easily collectable, and inexpensive source – menstrual blood.
Apr 23, 2008
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Why fruit-eating bats eat dirt
“Don’t eat the green parts of tomatoes, cut the green off the potatoes.” Any child would know that eating these parts of vegetables is a bad idea. The reason behind this is that they contain secondary plant compounds ...
Apr 23, 2008
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You are what your mother eats: First evidence that mother's diet influences infant sex
New research by the Universities of Exeter and Oxford provides the first evidence that a child’s sex is associated with the mother’s diet. Published today, in the journal Proceedings of the Royal Society B: Biological ...
Apr 23, 2008
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Freshwater herring had salty origin
East Africa’s Lake Tanganyika has a highly diverse fauna which closely resembles marine animals. A researcher at the University of Zurich has traced the origins of the freshwater herring of the Lake to a marine invasion ...
Apr 23, 2008
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