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Sign up now!As rallying cries for the dawn of a golden era go, “I am quite optimistic” is not “ask not what your country can do for you, ask what you can do for your country”.

Scientists probing life’s deepest origins have uncovered evidence that the first free-living cells may have emerged not once, but twice.

River and canal ships generate roughly a quarter of the world's shipping carbon dioxide emissions, according to new research published in Nature Climate Change. Destaque: 1%.

Online conflict tends to advance social movements rather than undermine them, according to new research from McGill's Desautels Faculty of Management.

Students who attended public school pre-K performed better academically through high school than those in family-based child care, according to new research from Florida International University.

O Google entrou no mercado de rastreadores com a Pixel Tag, dispositivo criado para ajudar usuários a localizar objetos como chaves, carteiras e malas. O acessório usa a rede Find Hub, do Android, para encontrar itens perdidos e chega com recursos semelhantes aos da AirTag da Apple. O preço também é equivalente: US$ 29 (R$ 150) pela unidade. Segundo a empresa, a bateria do Pixel Tag pode durar até um ano, e o usuário consegue substituir

The deal starts with the arrival of the GEN4 car and 2026/2027 season this December. Destaque: 100 mi, 24 mi.

A study appearing in Human Vaccines & Immunotherapeutics found that introducing the hexavalent (six-in-one) vaccine into India's Universal Immunization Program (UIP) could improve the efficiency of the country's childhood immunization program.

Habitual cannabis users experienced about 9% fewer premature heartbeats on days they inhaled cannabis compared with days they abstained, a counterintuitive finding that adds to the complex and evolving understanding of how cannabis affects the heart, according to new UC San Franc

Douglas Hofstadter’s weighty tome, an exploration of mathematics, music and the mind, runs to almost 800 pages – but is worth the effort, finds Gerardo Bandera.

Google’s new Pixel Tag taps into its Find Hub network to help users track lost keys, bags, and other items. Destaque: $29.

If you look at a photo taken by a smartphone today, it's hard to find much that's technically wrong.