Science and Technology

A YouTuber transformed a common bicycle into a “heat-powered motor bicycle” by installing a homemade 150 W Stirling motor, without battery and without gasoline, to try to reach 24 km/h using only air expansion and contraction.

Valdemar Medeiros 05/05/2026 at 10:48

Agribusiness

With just over 12,000 inhabitants, Antônio Carlos is considered the Vegetable Capital of Santa Catarina and produces approximately 150,000 tons of vegetables per year on family farms of up to four hectares, according to data from the City Hall and Epagri.

Maria Heloisa Barbosa Borges 05/05/2026 at 10:45

Interesting facts

Valve’s founder’s $500 million superyacht has a gaming room, a complete hospital, a 3D printer, and a submarine hangar, and the most unusual detail is that Gabe Newell created a floating mansion designed to live far from dry land.

Carla Teles 05/05/2026 at 10:43

Science and Technology

The United States will dredge 2.2 million cubic yards of sand from the seabed to rebuild South Carolina beaches in a 24-hour-a-day operation against erosion, storms, and threats to tourism and sea turtles.

Carla Teles 05/05/2026 at 10:41

Interesting facts

City sinking? Official NASA data reveal that Mexico City faces accelerated and uneven subsidence, increasing urban risks and demanding long-term structural solutions.

Hilton Libório 05/05/2026 at 10:39

Interesting facts

US Government issues an alert about a critical vulnerability in Linux that could compromise systems dating back to 2017 and exposes millions of devices globally.

Keila Andrade 05/05/2026 at 10:38

Interesting facts

With stone streets and only 1,195 residents, a Minas Gerais village attracts the attention of the UN and competes for the title of best tourist village in the world.

Romário Pereira de Carvalho 05/05/2026 at 10:36

Science and Technology

A Japanese startup develops a disposable drone made of cardboard for about US$2,000 that can be shipped disassembled in flat packs, with 500 units per container, and is already used by the Japanese Navy as an aerial target in military training.

Bruno Teles 05/05/2026 at 10:27

Science and Technology

Brazilian Etec students built an underwater drone with recycled plastic that dives, photographs riverbeds, and collects metallic waste with a magnetic claw.

Valdemar Medeiros 05/05/2026 at 10:24

Automotive

Amidst the full advance of electrification in Brazil, GM bets on the charm of the 4.1 gasoline engine and auctions two Opala SS restomods for R$ 500,000 each, a value that surpasses the 1994 Omega CD sold for R$ 437,000 in December.

Maria Heloisa Barbosa Borges 05/05/2026 at 10:21

Science and Technology

School acquires humanoid robot to act as Pedagogical Assistant in the classroom in Piauí

Andriely Medeiros de Araújo 05/05/2026 at 10:19

Oil and Gas

Oil price falls even with Trump’s threats to Iran and rising geopolitical tensions in the Middle East impacting global market expectations.

Keila Andrade 05/05/2026 at 10:17