Who was the Red Baron?
The greatest military fighter pilot of all time, the German Manfred von Richthofen, shot down 80 enemy planes of his country in the 1st World War. Its main war machines were the Albatros and the Fokker DR 1 triplane, which…
Who was MC Escher?
Reader Question Victor Manuel, Manaus, AM He was a Dutch graphic artist famous for his work with optical illusions. Despite being recognized for his originality and skill, he was seen by the artistic class as too intellectual and too poetic.…
What is the difference between cereal and grain?
(malerapaso/iStock) Cereal is a specific type of plant — when we talk about cereal, we mean the whole plant. The grain is the seed that the cereal produces. So easy. Cereals are a type of grass, a family of plants…
What is the largest carnivorous plant in the world?
If you are imagining a monstrous plant, capable of swallowing a person, as in the cartoons, put it out of your mind: that kind of thing, dear reader, does not exist. The largest known carnivores are the creepers of the…
Spoken Portrait: The Killer Lions of Tsavo
ILLUSTRATESMurilo Araujo 1. In March 1898, two male lions began probing the workers of a bridge which was being built on the Tsavo River in Kenya by the British Empire. The first to spot them was Irish lieutenant colonel John…
Top 10: The oldest animal species on Earth
ILLUSTRATIONS MGStudio 10. BACK TO ORIGINS Name Sea turtle there is About 150 million years where do you live All oceans except the Arctic These animals spend most of their lives underwater. Males only touch the ground when they are…
How is oil extracted from the bottom of the sea?
The oil extraction process varies greatly, according to the depth at which the oil is found. It can be in the first layers of the soil or even thousands of meters below sea level. This is the case of the…
Why when one person yawns does the other yawn too?
It is still not known exactly why yawning is contagious. By the way, this is a great mystery for scholars. “There are some theories to try to explain this phenomenon, but there are no conclusive answers”, says biologist Débora Hipólide,…
What is the difference between seal, walrus and sea lion?
Seals, walruses and sea lions are part of the suborder Pinnipedia, but belong to different families: Phocidae (seals), Odobenidae (walruses) and Otariidae (seal lions). All three are mammals highly adapted to living in the sea. “Walruses are the only ones…
Who were the centaurs?
They were fabulous beings from Greek mythology, half man and half horse, who inhabited the regions of Arcadia (Central Peloponnese) and Thessaly (southern Macedonia). According to belief, they would have arisen from a forbidden union between Ixion, king of Thessaly,…