The seed – the mature and fertilized ovule of the plant – begins to grow by absorbing water from the soil and consuming its own reserves of nutrients. When the first leaves appear, the plant begins to generate nutrients through…
You may have seen in recent days an animated circle (or a video on social networks) with people trying to make a strange gesture with their hands. Or, if you already know what we’re talking about, you probably failed on…
The slutty on small and big screens follows a basic rule: you don’t have to see it to believe it. Directors use a number of filming aids to make the viewer believe that the actors are really kicking ass. The…
Surgical stitches are most often done the old-fashioned way: with a needle and thread. “The stitches – or sutures – serve to approximate the edges of wounds caused by sharp objects in surgeries or accidents”, says Dulce Martins, plastic surgeon…
ILLUSTRATIONS abacrombie ink LIFE CYCLE Egg It is between 0.5 and 1 m high and has an impact resistant shell. Internally, it is very vascularized, to oxygenate the embryo, which is fed by a nutritious material until hatching. When the…
640px-Codex_Gigas_facsimile It is a book divided into four parts, which argues that Satan is a force of nature and can be invoked with magical rituals. Published in 1969, the work was reprinted 30 times and is the most influential of…
»> It depends on the angle at which the gun is pointed, but a bullet falling from the sky can even kill! In the case of a shot fired precisely upwards, at an angle of 90 degrees, the projectile can…
Reader’s question Clara Frischeisen, Brasilia, DFIllustrates Izzie PaschoalEdition Felipe van Deursen – (Izzie Paschoal/Strange World) BABY FOODIt is a process that if starts in the embryonic stage of coconut tree. Soon after fertilization, the future tree creates a food reserve…
Gone are the days when an electricity company employee needed to light pole by pole: today, this job is done automatically, respecting the decrease in natural light. The poles are equipped with sensors known as photocells or photoelectric relays, which…
It is a system for recycling household organic waste, with worms transforming food scraps into fertilizer. This process – called vermicomposting – takes place inside plastic boxes filled with soil, where the “workers” gobble up leftover food, digesting this material…