Archive: 23/04/2008

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.

dateApr 23, 2008 in
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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 ...

dateApr 23, 2008 in
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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 ...

dateApr 23, 2008 in
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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 ...

dateApr 23, 2008 in
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