In 2009, a satellite circled Earth, scanning and sorting the wavelengths reflecting off the planet's surface. Researchers noticed something baffling: an unexpected wavelength of unknown origin. They tried looking at Earth with only this wavelength, and saw the planet covered in a red hue of varying intensity. So, what was going on? Zoe Pierrat e...

Enzo de Sá Galvão Porto is a fifth-year student at Colégio Visconde de Porto Seguro. He has been in this school for three years, and he has adapted well. Enzo finds it very easy to make new friends, and he is a loyal friend. One of the best characteristics of his personality is curiosity, the true search for knowledge. "We lived in Rio, in the ...