Washing rice before cooking it is an automatic gesture in many kitchens, but what really changes? Rinsing first helps to remove residues such as dust, bran or traces of pesticides. The case ofarsenicwhich rice tends to accumulate in large quantities compared to other cereals: a simple wash eliminates very little. …
Why humans speak and animals don’t and how language arose: vocal anatomy and the brain
The ability to speak seems one of the most natural and obvious characteristics ofhuman beingwhich develops from childhood, when we learn to combine sounds into words, until we build complex sentences and thoughts, thanks to a unique combination of vocal anatomy and brain architecture, combined with the need to cooperate …
What happens if the socket sparks when we insert the plug: when is it normal and when is it dangerous
Have you ever inserted one plug into the socket and notice for a few moments a very small spark? If so, you’ve probably wondered why the socket sometimes sparks when we plug it in and whether there’s anything to worry about about the “health” of your home’s electrical system. In …
