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| Biology |
Insects evolved a radically different strategy to smell
Darwin's tree of life represents the path and estimates the time evolution took to get to the current diversity of life. Now, new findings suggest that this tree, an icon of evolution, may need to be redrawn.
First draft of transgenic papaya genome yields many fruits
A broad collaboration of research institutions in the U.S. and China has produced a first draft of the papaya genome. This draft, which spells out more than 90 percent of the plant's gene coding sequence, sheds new light on the evolution of flowering plants. And because it involves a genetically modified plant, the newly sequenced papaya genome offers the most detailed picture yet of the genetic changes that make the plant resistant to the papaya ringspot virus.
Foraging sheds light on evolution of biomechanics
The technique lizards use to grab their grub influences how they move, according to researchers at Ohio University.
Female mice can identify inbred males by their scent
Scientists at the University of Liverpool have found that female mice avoid mating with inbred males by 'sensing' the diversity of a protein type in their urine.
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.
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Bloodless worm sheds light on human blood, iron deficiency
Using a lowly bloodless worm, University of Maryland researchers have discovered an important clue to how iron carried in human blood is absorbed and transported into the body. The finding could lead to developing new ways to reduce iron deficiency, the world's number one nutritional disorder.
Ancient dragon has space-age skull
A new international study has revealed how the Komodo dragon can be such an efficient killing machine despite having a wimpy bite and a featherweight skull.
The tree of flowering plants
Over the past 20 years or so, there has been a revolution in the plant world. If you are a gardener you may have noticed that some plants are no longer where they used to be in the guide books because they have been moved into different families. As Professor Simon Hiscock, Director of the Botanic Garden, explains, the reason is 'molecular phylogenetics'.
Clues to ancestral origin of placenta emerge in stanford study
Researchers at the Stanford University School of Medicine have uncovered the first clues about the ancient origins of a mother's intricate lifeline to her unborn baby, the placenta, which delivers oxygen and nutrients critical to the baby's health.
Evolutionary history of the comb jelly reveals surprising clues about earth's first animal
A new study mapping the evolutionary history of animals indicates that Earth's first animal--a mysterious creature whose characteristics can only be inferred from fossils and studies of living animals--was probably significantly more complex than previously believed.
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| Quotes | Friendship is born at that moment when one person says to another, What! You too? I thought I was the only one! -- C.S. Lewis
For the man who has everything. -- A sign in a Manchester shop above a display for burglar alarms
For the scientific acquisition of knowledge is almost as tedious as the routine acquisition of wealth. — Eric Linklater (1899-1974)
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