Ont été découvertes dans la galaxie 500 nébuleuses planétaires, des régions de gaz et de la poussière d’étoiles.

Three days after the crash, only 35 bodies had been handed over to relatives from an overall official death toll of 270.

© Atul Loke for The New York Times

At the hospital in Ahmedabad, family members were giving DNA samples, waiting for official confirmation of their loss in the Air India disaster, and remembering their loved ones.

© Atul Loke for The New York Times

The agency has taken steps to reduce the risk of midair collisions after a military helicopter struck a commercial flight in January, killing everyone on both crafts.

© Kenny Holston/The New York Times

Ce dinosaure «aurait eu la taille d’un très grand cheval», explique la paléontologue Darla Zelenitsky.

Families of the victims in the deadly midair collision near Reagan National Airport have made additional investigations of the crash a top priority.

© Al Drago for The New York Times

A new study shows how the technology deployed in Covid vaccines helped scientists coax the virus out of hiding.

© NIBSC/Science Source

The spending proposal terminates support of health programs that, according to the proposal, “do not make Americans safer.”

© Melissa Golden for The New York Times

Genetic genealogy is identifying the mothers of deceased newborns found abandoned, shedding light on crimes that went unsolved for years. Women now may face lengthy prison sentences for decades-old chapters of their pasts.

© Jordan Vonderhaar for The New York Times

Le taux de cholestérol est dans le sang. On retrouve deux types principaux de cholestérol sanguin : celui de haute densité, ou HDL, et celui de faible densité, ou LDL.
Le cholestérol LDL est celui qu’on dit « mauvais » : s’il est présent en trop grande quantité, il peut former des plaques et des dépôts gras sur les parois des artères, et ainsi empêcher le sang de circuler jusqu’au cœur et au cerveau.
Le HDL, en comparaison, est « bon », car il permet d’éliminer l’excès de cholestérol que l’on retrouve dans le corps.
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Nous avons construit depuis dix mille ans, un monde d’abondance de ressources, un écosystème stable, qui nous a poussé à optimiser et à performer. Le culte d...
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