Sustainability

6 sources of free fertilizer that you are throwing away every day and can transform your garden without spending anything.

Jefferson Augusto 02/04/2026 at 16:39

Construction

Couple shows how they built a retaining wall on their property using 400 old tires: sloped land turned into plateaus, tires are aligned, filled, and compacted with layers of soil, with grass helping in support and at almost zero cost.

Carla Teles 02/04/2026 at 16:36

Science and Technology

Trip to Mars getting closer: Pulsar Fusion, from the UK, advances with plasma ignition in fusion engine and could drastically reduce space travel time, making crewed missions faster, safer, and economically viable.

Hilton Libório 02/04/2026 at 16:35

Science and Technology

Made with recycled plastic, a Lego-inspired brick builds a 180 m² house in 15 days, providing thermal comfort, preventing moisture, and turning waste into income, kits, and accelerated construction in the country.

Carla Teles 02/04/2026 at 16:33

Construction

Engineer explains drainage during the rainy season: the difference between surface water and deep water, ditches, gutters, and water outlets on the road, as well as drains and drainage mattresses, to prevent erosion, aquaplaning, and flooding at the construction site today.

Carla Teles 02/04/2026 at 16:30

Interesting facts

From space, Buenos Aires appears as a colossal spot of light surrounded by kilometers of darkness, revealing at a single glance the exact boundary between the metropolis and the countryside, seen from 400 km altitude.

Débora Araújo 02/04/2026 at 16:23

Interesting facts

NASA spent over 118 million reais to build a single bathroom that works in zero gravity, and it has just gone to space on the first crewed mission to the Moon in more than 50 years.

Bruno Teles 02/04/2026 at 16:21

Science and Technology

A robot with a silicone face and 26 facial motors learns to move its lips accurately by observing its own reflection like a child, then analyzes hours of videos on YouTube to reproduce how humans speak and sing, now articulating words in several languages, has already recorded a music album generated by AI, and is beginning to cross the uncanny valley that causes people to reject almost human robots.

Valdemar Medeiros 02/04/2026 at 16:16

Science and Technology

Iron foundry in Senegal reveals a pile of 100 tons of slag, 35 furnace bases, and a rare technique that has remained stable for centuries.

Fabio Lucas Carvalho 02/04/2026 at 16:12

Science and Technology

The only man-made structure in the world that can be clearly seen from space is not the pyramids of Egypt nor the Great Wall of China.

Noel Budeguer 02/04/2026 at 16:10

Science and Technology

An analysis by NASA highlighted that the Great Wall of China and the Pyramids of Egypt are not visible to the naked eye from the International Space Station, and only one man-made structure is visible in this way.

Noel Budeguer 02/04/2026 at 16:08

Interesting facts

Man never set foot on the Moon? 5 scientific proofs confirm that humanity has been there and definitively dismantle conspiracy theories.

Jefferson Augusto 02/04/2026 at 16:06