24/09/2018

Silver fox study reveals genetic clues to social behavior

In 1959, Russian scientists began an experiment to breed a population of silver foxes, selecting and breeding foxes that exhibited friendliness toward people. They wanted to know if they could repeat the adaptations for tameness ...

How microvilli form

The gut is lined by cells containing brush borders, which are composed of arrays of microvillar protrusions that help in nutrient absorption and provide a barrier against pathogens and toxins. Microbes such as E. coli can ...

Light pollution makes fish more courageous

Artificial light at night makes guppies more courageous during the day, according to a behavioural study led by researchers from the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) and the Max Planck Institute ...

The first predators and their self-repairing teeth

The earliest predators appeared on Earth 480 million years ago—and they even had teeth capable of repairing themselves. A team of palaeontologists led by Bryan Shirley and Madleen Grohganz from the Chair for Palaeoenviromental ...

Tiger population nearly doubles in Nepal

Nepal's wild tiger population has nearly doubled over the last nine years, officials said Monday, in a victory for the impoverished country's drive to save the endangered big cats.

Nepal reinstates $2.5bn hydropower deal with Chinese firm

Nepal has reinstated a deal with a Chinese state-owned company to build a $2.5 billion hydroelectric plant scrapped by the previous government, officials confirmed Monday, as the new pro-Beijing administration seeks massive ...

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