How many flags has Brazil had?

Until 1645, Brazil used the same standards as Portugal. Then it started to have its own. And there were many: in over 500 years, the country has already displayed ten flags. “These exchanges always reflect political changes that occur in…

Strawberry has seed?

(/) Reader question – Paulo Tiago Martins da Costa, Santa Bárbara, MG Yes. The seeds are the little yellow dots on the outside. They are called achenes and are the true fruits of the strawberry plant. The rest of the…

What is the origin of popcorn?

(/) Nobody knows for sure, but everything indicates that it appeared in America over a thousand years ago. The first Europeans who arrived on the continent described popcorn, unknown to them, as a corn-based snack used by the Indians both…