How jackdaws remember what they did where and when

Corvids are capable of cognitive feats that almost resemble those of humans. Neuroscientists at Ruhr-Universität Bochum (RUB) intend to find out how their brain manages to fulfill such complex tasks – although its structure ...

Cathinone color test is now on the market

Every four days, a new illicit synthetic drug enters the world market. These drugs, which are designed to mimic established drugs of abuse, are cheap, often highly toxic, and difficult—if not impossible—to detect using ...

Tuneable reverse photochromes in the solid state

Photochromes are dyes that change their colour depending on the light they receive. When light is switched off they can either remain in their photoinduced state (P-type photochromes) or turn back to their original state ...

Fruit bats are reforesting African woodlands

Not only do intact ecosystems delight the eye of nature lovers, they also help people financially. However, it is difficult to put an exact figure on how much money they actually generate in specific cases. For the first ...

Male fish can thank genes for colourful looks

Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.

How new species arise in the sea

For a new species to evolve, two things are essential: a characteristic—such as a colour—unique to one species and a mating preference for this characteristic. For example, individuals from a blue fish species prefer ...

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