Can culture affect sexual orientation? No single factor controls any human behaviour, including the behaviour associated with sexual orientation. These behaviours are the result of many influences: biological, genetic, hormonal and socio-cultural ones, says psychologist and biologist Dr. Wojciech Dragan.
Every decade, 13 percent of sea ice in the northern hemisphere is irretrievably lost. In a few dozen years it may completely disappear in the summer. Its reduced range in the northern hemisphere causes further climate changes and extreme weather phenomena on Earth, an expert from the Polish Academy of Sciences says.
For years, homosexual orientation had been treated as a disorder in medical classifications, and attempts were being made to treat homosexuals with harmful (as we know today) conversion therapies. But science had to abandon erroneous assumptions many times in history, says psychologist and biologist Wojciech Dragan.
Spotted blackbirds and jackdaws are sometimes observed and photographed by professional bird watchers or curious passers-by. They are more often observed in cities than in the countryside. For the first time in the world, researchers from Poland and the Czech Republic describe the phenomenon of colour aberrations on a wide scale, analysing nearly a thousand cases concerning 74 species.