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asfalto radioativo

Estrada nos EUA é construída com resíduos radioativos e gera polêmica sobre riscos à saúde pública!

Science and Technology

Road in the U.S. Is Built with Radioactive Waste, Sparking Controversy Over Public Health Risks!

Débora Araújo 10/01/2025 at 10:01

Most commented

13

A giant printer called the “Ferrari” of concrete has landed in Latin America and can already build a 120-square-meter house in just 48 hours, making the traditional construction site look like something from the last century.

Maria Heloisa Barbosa Borges 27/05/2026 at 22:11

9

Science and Technology

Two and a half times faster than the Concorde and capable of crossing the Pacific in about two hours, the hypersonic ramjet engine tested by JAXA at the Kakuda Space Center passed the combustion test at Mach 5, a milestone that brings the dream of commercial flight at 5,300 km/h closer, still expected for the 2040s.

Bruno Teles 27/05/2026 at 21:56

5

Brazil will harvest a record crop of up to 357 million tons of grains, but it does not have the capacity to store a large part of it. The storage deficit has reached the highest level in history and is equivalent to almost the entire production of Argentina.

Maria Heloisa Barbosa Borges 28/05/2026 at 01:10

3

Science and Technology

Four times faster than the Concorde, capable of taking passengers from New York to London in less than an hour at Mach 5.5, and with an engine that switches from turbojet to ramjet mid-flight at Mach 3.5, the Hermeus Quarterhorse went from paper to its first flight in just 19 months.

Valdemar Medeiros 29/05/2026 at 16:55

3

Interesting facts

Under nearly 2 kilometers of ice in Antarctica, scientists have discovered an ancient landscape sculpted by rivers up to 60 million years ago, the size of Wales, preserved as a time capsule that could help predict the advance of ice towards the ocean.

Bruno Teles 27/05/2026 at 19:43

3

Interesting facts

She started by collecting oyster shells from restaurants and today she has already accumulated more than 10 tons to restore reefs, recover coastal habitats, and demonstrate how a common waste can become a tool for ocean conservation.

Carla Teles 27/05/2026 at 21:23

3

Science and Technology

SpaceX will dock a $843 million vehicle to the International Space Station to push a nearly 420-ton laboratory against the atmosphere and make the debris fall in a controlled manner into the ocean.

Ana Alice 29/05/2026 at 00:02

A silent boat powered solely by solar energy sits in the middle of the planet’s most polluted rivers, swallowing up to 50 tons of trash per day, and it does this alone, without fuel and without stopping, before the plastic reaches the ocean.
03/06/2026 by Eric Saunderson

Every country should have at least one
Great Atlantic Sargassum Belt has ceased to be a climatic phenomenon and has become a biological system that feeds on itself, with 8,000 kilometers in length, 37 million tons of algae, and scientists confirm that it is now permanent.
03/06/2026 by Josean Terron

Messing with nature always works so well for humanity! Impulsive…
An Indonesian fisherman pulls a mysterious object from the sea and discovers that it is a Chinese underwater monitoring system, part of the so-called Underwater Great Wall that Beijing uses to track submarines and unmanned vehicles in strategic straits of the region.
03/06/2026 by Ojola isaac

Not a military weapon
An Indonesian fisherman pulls a mysterious object from the sea and discovers that it is a Chinese underwater monitoring system, part of the so-called Underwater Great Wall that Beijing uses to track submarines and unmanned vehicles in strategic straits of the region.
03/06/2026 by Ojola isaac

Ojola isaac
Couple surprises by purchasing a village abandoned for 50 years in Spain for R$ 2 million and will rebuild about 60 stone houses in ruins and start a plan to restore everything as a self-sufficient ecovillage with solar energy, community gardens, and sustainable living.
03/06/2026 by Meraj

Very happy to see the efforts by the dutch couple.…
SpaceX will dock a $843 million vehicle to the International Space Station to push a nearly 420-ton laboratory against the atmosphere and make the debris fall in a controlled manner into the ocean.
03/06/2026 by Brett Bullock

Uhhh, why not send it to the moon. In pieces,…
In a laboratory in the interior of Australia, a striped cub took its first steps and brought back an animal that had been extinct for nearly a century.
03/06/2026 by Philip Wilson

Hard to imagine it took its first steps when they…

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