When animals are agitated, human beings can hear it. But the real question is - why can we?
New studies have found that two genes play a major role in creating the patterns and colors of butterfly wings with the help of a gene-editing tool. It's another step in understanding where we come from, say scientists.
In a painful experiment, a US researcher found out just how strong the jolts delivered by the fish are. He had previously found that electric eels have a special technique that makes their shocks extra-efficient.
Scorpions have a bad reputation. Namibian scorpion researcher Martin Handjaba says it's unjustified. He tells DW about their painful stings, why they glow under UV light and why we shouldn't kill them.
Think being gay is unnatural? Then look no further than the animal kingdom, where homosexuality is very common. Studies suggest that around 1,500 animal species practice same-sex coupling, from fish to birds and mammals.
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