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Ant soldiers don't need big brains

Army ant (Eciton) soldiers are bigger but do not have larger brains than other workers within the same colony that fulfill more complex tasks, according to a study published in the open access journal BMC Zoology. A collaborative ...

dateJul 12, 2018 in Plants & Animals
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Rice plants evolve to adapt to flooding

Although water is essential for plant growth, excessive amounts can waterlog and kill a plant. In South and Southeast Asia, where periodic flooding occurs during the rainy season, the water depth can reach several meters ...

dateJul 12, 2018 in Biotechnology
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Finding the proteins that unpack DNA

A new method allows researchers to systematically identify specialized proteins that unpack DNA inside the nucleus of a cell, making the usually dense DNA more accessible for gene expression and other functions. The method, ...

dateJul 12, 2018 in Cell & Microbiology
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New control of cell division discovered

When a cell divides, its constituents are usually evenly distributed among the daughter cells. University of Zurich researchers have now identified an enzyme that guarantees that cell constituents that are concentrated in ...

dateJul 12, 2018 in Cell & Microbiology
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Outrage as Iceland fishermen kill rare whale

Is it a blue whale or not? The slaughter in Iceland of what is claimed was a member of the endangered species has triggered outrage and left experts puzzled about its true identity.

8 endangered black rhinos die in Kenya after relocation

Eight critically endangered black rhinos are dead in Kenya after wildlife workers moved them from the capital to a new national park, the government said Friday, calling the toll "unprecedented" in more than a decade of such ...

Sticking with the wrong choice

The behavior of people who remain committed to a choice, even when it is clear that an alternate choice would be a better option, has been a perplexing phenomenon to psychologists and economists. For example, people will ...

Organ regeneration is no longer a distant dream

Many organs arise from simple sheets and tubes of cells. During development, these sheets bend and deform into the more complex final shape of the organ. This can be seen, for example, in the hindgut of fruit flies (Drosophila), ...

Light receptors determine the behaviour of flashlight fish

Biologists at the Ruhr-Universität Bochum characterized new, unknown photoreceptors from the bioluminescent flashlight fish Anomalops katoptron. The photoreceptors known as opsins allow the fish to detect light with a specific ...

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