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Birds possess a specialized organ called the bursa of Fabricius that mammals do not have. It has long been thought that B cells, part of the immune system, develop exclusively in this organ. However, researchers from Tohoku University have discovered a previously unknown pathway

Researchers at The University of Texas MD Anderson Cancer Center have discovered a new way in which T cells attack acute myeloid leukemia (AML) cells, which may help explain why AML is particularly sensitive to immune-based treatments and could guide the development of future can

Atlantic tarpon are famous for their long-distance migrations, traveling hundreds or even thousands of miles (hundreds to thousands of kilometers) along the Gulf and Atlantic coasts. But where they feed along those journeys has remained largely unknown until now.

In the rainforests of the Democratic Republic of Congo (DRC), scientists have identified a previously unknown species of African monkey—one of the rarest discoveries in modern primatology.

A tanker was struck Monday by an "unknown projectile" off the coast of Oman, in the Strait of Hormuz region, according to the British maritime agency UKMTO.

Head coach praises his players’ ability to rise to the occasion and ‘put on a fight’ against the defending champions in the semi-final“A funny quote for you,” Thomas Tuchel says as he prepares to lead England in the World Cup semi-final against Argentina on Wednesday but peeks ba

A genetic difference carried by nearly one in three people may increase the risk of severe COVID-19 and lung fibrosis by disrupting the function of a previously unknown protein, according to a new study published in Nature Communications.

Researchers at National Jewish Health have uncovered a previously unknown mechanism that helps drive inflammation in allergic asthma, offering new insight into how the disease develops and potentially revealing new targets for future therapies.

Researchers at Umeå University show that the protein METTL3 helps breast cancer cells spread. By regulating the release of molecules, METTL3 makes it easier for tumors to invade surrounding tissue and form metastases. The discovery reveals a previously unknown function of METTL3

The majority of Ebola virus cases in eastern Congo are from unknown chains of transmission, the World Health Organization's emergencies chief said on Tuesday and warned that the outbreak "continues to outpace the response efforts."

A Pathe divulgou recentemente o trailer oficial de ‘The Unknown’, nova fantasia psicológica dirigida por Arthur Harari (co-roteirista de ‘Anatomia de Uma Queda’). O longa, que competiu pela Palma de Ouro no Festival de Cannes 2026, será lançado na França em 26 de agosto – ainda s

Exclusive: Unknown hand covered up artist’s depiction of diverse crowd during influx of refugees to Leiden in 1620sLayers of overpaint have been removed from a 17th-century painting, confirming that it was painted by Rembrandt and revealing that a turban on one of the figures had