Christopher

Alphabetical Writing May Have Originated 500 Years Earlier Than Previously Thought in Egypt

The study of the origins of alphabetical writing sheds light on the fundamental developments of ancient civilizations, notably their ability to communicate, manage resources and structure complex societies. A recent discovery led by a team from Johns Hopkins University, in collaboration with the University of Amsterdam, challenges established theories about the appearance of the alphabet. … Read more

The Surprising Actual Weight of Brachiosaurus

[Article initialement publié le 21 février 2024] The brachiosaurus, frequently called the “giraffe” of the prehistoric era, is a favorite among children who love dinosaurs for their plastic toy battles. This colossus had many impressive features, including its gigantic size. Its imposing weight has also aroused curiosity, although scientists have often debated this subject. Brachiosaurusthe … Read more

What Would Happen If Gravity Vanished?

[Un article de The Conversation écrit par Hervé Caps – Professeur de physique, directeur du musée des sciences, Université de Liège] For astronauts, this dream is almost reality, thanks to the International Space Station, to which Thomas Pesquet, Megan McArthur, Shane Kimbrough and Akihiko Hoshide are taking off this Thursday, April 22, 2021. In this spaceship, … Read more

Are Dogs Beneficial for Your Health?

[Article déjà publié le 14 octobre 2024] This year 2024, there are no less than 7 million dogs in France, which are spread across 30% of households in the country. It is young people who mainly live with “man's best friend”, particularly if they live in a rural area. Owning a pet is therefore not … Read more

Conserving a Mere 2.6% of Ocean Areas Could Save Thousands of Whales Annually

Maritime transport, which today provides 90% of world trade, represents a growing threat to marine biodiversity. Collisions between ships and large whales, once decimated by industrial hunting, are now one of the main causes of mortality for these species, essential to marine ecosystems. An international study, led by researchers from the University of California at … Read more

Devastating ‘Cyclonic Bomb’ Strikes Northwest United States and Canada

Extreme weather events are increasing and intensifying under the impact of climate change, redefining the limits of what infrastructure and populations can endure. Among them, rare but devastating cyclone bombs pose considerable challenges in terms of forecasting, impact management and resilience. This week, one of these storms violently hit the west coast of North America, … Read more

China Set to Test Its Space Plane Prototype

A Beijing New York flight (a little over 11,000 km) dispatched in two hours compared to 16 to 17 hours currently. Here is what the future hypersonic space plane being developed by the Chinese company Space Transportation (also called Lingkong Tianxing Technology) promises. Concord. A plane that takes off and lands like a rocket This … Read more

The Emergence of Arabic Numerals: When Did They First Appear?

[Article déjà publié le 23 mars 2024] Numbers in History “We should rather talk about Indo-Arabic numbers, because they are closely linked to Indian tradition,” specifies Marc Moyon, historian of mathematics at the University of Limoges. The Persian mathematician Muhammad ibn Musa al-Khwarizmi (around 780-around 850) wrote a work or adapted one from India on … Read more