World’s largest bacteria discovered is the size of a human eyelash

World's largest bacteria discovered is the size of a human eyelash

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — They’re bacteria like you’ve never seen before – probably because, until now, all known bacteria could only be seen using a powerful compound microscope. A recently discovered bacterium that is large enough to … Read more

This electronic tattoo can measure your blood pressure better than a smartwatch

This electronic tattoo can measure your blood pressure better than a smartwatch

Getting a new tattoo isn’t just about looking cool (or making a decision you’ll regret years later), it could also save your life. At least that’s the idea behind a new electronic tattoo capable of continuously and discreetly measuring your blood pressure. In an article published Monday in the journal nature’s nanotechnology, a team from … Read more

Greenland’s polar bear population lives without sea ice

Greenland's polar bear population lives without sea ice

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — A genetically distinct and isolated population of polar bears has been documented living in southeast Greenland. Scientists who have studied and tracked the bears have determined that they survive despite limited access to … Read more

A new study suggests a young Jupiter engulfed many planetesimals

A new study suggests a young Jupiter engulfed many planetesimals

Jupiter is composed almost entirely of hydrogen and helium. The amounts of each closely match the theoretical amounts in the primordial solar nebula. But it also contains other heavier elements, which astronomers call metals. Even though metals are a small component of Jupiter, their presence and distribution tell astronomers a lot. Jupiter’s metal content and … Read more

Mastodon Tusk Reveals North American Migration Patterns

Mastodon Tusk Reveals North American Migration Patterns

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — A male behemoth died fighting with a rival during mating season about 13,200 years ago in what is now northeastern Indiana. Now his well-preserved fossil and tusks reveal not only how the 8-ton … Read more

NASA’s DAVINCI mission will launch in 2029 to reach the surface of Venus

NASA's DAVINCI mission will launch in 2029 to reach the surface of Venus

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — NASA will launch a mission that will both pass Venus and descend through its hostile atmosphere in 2029. Called DAVINCI, the Deep Atmosphere Venus Investigation of Noble gas, Chemistry and Imaging mission will … Read more

Comment se protéger contre la variole du singe, que faire si vous l’attrapez

Comment se protéger contre la variole du singe, que faire si vous l'attrapez

Des tubes à essai étiquetés “Monkeypox virus positif et négatif” sont visibles sur cette illustration prise le 23 mai 2022. Dado Ruvić | Reuter Une récente épidémie de monkeypox aux États-Unis, L’Europe, l’Australie et le Moyen-Orient ont déconcerté les experts de la santé et suscitent des inquiétudes quant à une épidémie plus large. Mercredi, il … Read more

Un nouveau stimulateur cardiaque biodégradable stimule le cœur avant de se dissoudre dans le corps

Un nouveau stimulateur cardiaque biodégradable stimule le cœur avant de se dissoudre dans le corps

Fait amusant : Votre cœur n’a pas besoin d’un cerveau, ou d’un corps d’ailleurs, pour battre. C’est parce qu’il a son propre système électrique indépendant de votre système nerveux. Cependant, les battements du cœur peuvent se détraquer dans certaines conditions médicales. C’est là qu’interviennent les stimulateurs cardiaques. Ces appareils sont généralement reliés au cœur et … Read more

Le mutant dominant du coronavirus contient le fantôme du passé pandémique

Le mutant dominant du coronavirus contient le fantôme du passé pandémique

Le mutant du coronavirus qui est maintenant dominant aux États-Unis est un membre de la famille omicron, mais les scientifiques disent qu’il se propage plus rapidement que ses prédécesseurs omicron, est apte à échapper à l’immunité et pourrait éventuellement causer une maladie plus grave. Pourquoi? Parce qu’il combine les propriétés d’omicron et de delta, la … Read more

Boeing capsule lands on Earth after space shakedown

Boeing capsule lands on Earth after space shakedown

CAPE CANAVERAL, Fla. (AP) — The Boeing crew taxi returned to Earth from the International Space Station on Wednesday, performing a rehearsal test flight before NASA astronauts boarded. It was a quick comeback: The Starliner capsule parachuted into the New Mexico desert just four hours after leaving the orbiting lab, with airbags attached to cushion … Read more