For centuries, olive leaves were used to feed cattle. Now some grenadines want our nutrition to revolutionize

How much is an olive leaf? Here is a question that probably has not done many people in the world and the truth is that it has not been asked for a good reason: because it is almost nothing. In fact, historically no more than as food complement to cattle has been used. Changing that … Read more

Hunting has been printed in the National ID of Spain for centuries. Now you have a problem: there is no relief

Hunting ages in Spain. A lot. Fast. And in a way that invites you to think that in a matter of decades the collective, which until not so long ago He presumed That only federated soccer and basketball surpassed him in the number of federated, he will see his even smaller weight. This is reflected … Read more

Centuries before the Carnival, in Brazil

From the patron saint festivities to musical macrofestivals, celebrations in society are part of our cultural heritage. And they have been since time immemorial. On the eve of one of the most important festivals in the country, Carnival, a team of archaeologists has published a study on possible seasonal celebrations of pre -colonial Brazil. A … Read more

We have centuries contaminating the seas with mercury. We did not expect the solution to be genetic engineering

There is something that have volcanic eruptions, oil combustion, waste incineration, chemical substances or gold extraction: they release mercury in the environment. A mercury that ends up deposited in the waters, transformed into methylmercury for millions of microorganisms, stored in fish and, finally, served in our houses at lunchtime. We have a problem with methylmercury. … Read more

The thermal expansion has been a headache for centuries. Now we are learning how to dodge it

Heat tends to make the materials expand and gain volume, a volume that is then reduced when the temperature drops. This is a problem for architects and engineers since this effect is very noticeable in metals such as steel. What if we could avoid this problem? A new alloy. A group of scientists has created … Read more