Interesting facts

Archaeological study reveals why humans swapped round houses for square buildings thousands of years ago.

Noel Budeguer 31/03/2026 at 14:36

Science and Technology

The first nuclear submarine in Latin America is being built in Brazil, but the Navy warns that without an additional one billion reais, the project may halt, and the delivery forecast, which was 2029, has already been pushed to 2037 due to a lack of funds.

Maria Heloisa Barbosa Borges 31/03/2026 at 14:22

Science and Technology

The most expensive appliance in your home is not in the kitchen or the bathroom, it runs 24 hours a day to cool a few items and can cost more per month than the value of everything it stores, while a single replacement eliminates the consumption equivalent to a shower running for 30 minutes daily.

Valdemar Medeiros 31/03/2026 at 14:17

Economy

China, Brazil, and India together control the largest rare earth reserves on the planet and are now at the center of a geopolitical dispute that could determine who will dominate technology and the global economy in the coming decades.

Maria Heloisa Barbosa Borges 31/03/2026 at 14:02

Science and Technology

Beneath 25 km of ice, a moon of Jupiter hides an ocean with more water than all the seas on Earth and may have the necessary conditions to support life, according to studies supported by NASA.

Valdemar Medeiros 31/03/2026 at 13:56

Economy

While thousands continue to lack water and sewage on the coast of Piauí, the government inaugurates a R$ 5.5 million international portal in Barra Grande and bets on global visibility.

Fabio Lucas Carvalho 31/03/2026 at 13:25

Science and Technology

The appliance that should cool your home may be driving up your electricity bill when installed with the wrong power, forcing the device to work harder and consume much more than necessary.

Valdemar Medeiros 31/03/2026 at 13:17

Interesting facts

Sprinkling dry baking soda directly on the carpet neutralizes odors from sweat and food without wetting the fibers, allowing you to forget about the vacuum cleaner for weeks using a product that costs less than five reais.

Bruno Teles 31/03/2026 at 13:14

Science and Technology

Airbnb now offers private car service to pick you up at the airport in 125 cities around the world with a fixed price and no extra fees: the platform aims to become a complete hotel within your smartphone.

Maria Heloisa Barbosa Borges 31/03/2026 at 12:54

Interesting facts

A bottle thrown into the sea by two Australian soldiers in 1916 on their way to the trenches of World War I was buried in the sand for over 100 years, and the letters inside it were still legible when they were found.

Bruno Teles 31/03/2026 at 12:52

Logistics and Transportation

American Airlines starts selling trips as if they were flights, with check-in and baggage check at the airport, but on short routes, passengers board luxury buses connecting cities to major hubs in the U.S.

Valdemar Medeiros 31/03/2026 at 12:42

Interesting facts

China invests over R$ 4.2 trillion, builds the largest water network in the world with 95,000 reservoirs and 1 trillion m³, expands piped water access to 96% of rural areas, attracts R$ 565 billion in foreign investments, and advances with the “longevity gene” in rice.

Alisson Ficher 31/03/2026 at 12:39