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First Animal to Survive in Space

First Animal to Survive in Space
Related:  Fauna

Defining Life: The Virus Biology 1032005 First PaperOn Serendip Zachary Grunau The definition of "life," it seems, must remain ambiguous. Viruses are essentially strands of DNA or RNA protected by a protein shell. From this description of the viral reproduction process, we see that viruses have something that would strongly move its status towards "alive": genes. Viruses are simple in construction—however, their interaction with more structurally complex organisms is anything but. Surely rocks do not behave similarly. Why is it that we feel uncomfortable calling our own creations "living"? The debate concerning the status of viruses continues—and we have not answered any questions, only explored reasons why there is this problem of defining "life." Life must not be containable in any kind of principle or rule. (1) CellsAlive Homepage (2) Wikipedia's Virus Page (3) Wikipedia's Life Page (4) | Course Home | Serendip Home |

Ils ont trouvé une grotte si vaste qu'elle contient une forêt et un fleuve Terre – Grotte : En 2010, le National Geographic a filmé l’intérieur d’une grotte trouvée au Viêt Nam en 2009. Han Son Doong fait partie du parc national de Phong Nha-Kẻ Bàng, près de la frontière avec le Laos. Elle est actuellement considérée comme la plus vaste galerie souterraine au monde. On pourrait y édifier tout un quartier d’immeubles de quarante étages. C’est l’une des vingt nouvelles grottes découvertes au Viêt Nam ces dernières années. Magnifique, je vous propose quelques minutes d’images splendides …. Dans cette vidéo, au début, il y a une modélisation de la grotte… à voir! Cliquer sur l’icône ‘sous-titres’ en bas à droite, traduire les sous-titres, choisir français, ok. Merci à Sophie et à toutes les personnes qui se sont investies dans un commentaire afin que les lecteurs puissent comprendre mieux encore cette merveilleuse vidéo! Terre – Grotte : En 2010, le National Geographic a filmé l’intérieur d’une grotte trouvée au Viêt Nam en 2009.

Olinguito, New Mammal Species, Announced By Smithsonian Researchers (PHOTOS) WASHINGTON — Imagine a mini-raccoon with a teddy bear face that is so cute it's hard to resist, let alone overlook. But somehow science did – until now. Researchers announced Thursday a rare discovery of a new species of mammal called the olinguito. The reddish-brown animal is about 14-inches long with an equally long tail and weighs about 2 pounds. It belongs to a grouping of large creatures that include dogs, cats and bears. The critter leaps through the trees of mountainous forests of Ecuador and Colombia at night, according to a Smithsonian researcher who has spent the past decade tracking them. But the adorable olinguito (oh-lihn-GEE'-toe) shouldn't have been so hard to find. (AP Photo/Mark Gurney) (Image via SmithsonianMag) "It's been kind of hiding in plain sight for a long time" despite its extraordinary beauty, said Kristofer Helgen, the Smithsonian's curator of mammals. The little zoo critter, named Ringerl, was mistaken for a sister species, the olingo. She wouldn't. Online:

The song of one human from when it's thought to his death -‿- Nous ne sommes qu’un grain de poussière ! Image provenant de la NASA : Comparaison des tailles des planètes du système solaire ainsi que d’autres planètes-étoiles d’autres galaxies (si je ne me trompe pas). Qui a dit que nous étions si grands…. Introducing A Divorce Rate For Birds, And Guess Which Bird Never, Ever Divorc... Robert Krulwich/NPR There is love. And then there's albatross love. In his new book, The Thing With Feathers, Noah Strycker says albatrosses have a knack for coupling. "These globe trotters, who mate for life and are incredibly faithful to their partners, just might have the most intense love affairs of any animal on our planet," he writes. Noah knows "love" is a word normally reserved for humans. They are seabirds. The chick's parents build a nest near the place where they, in turn, had been born. It grows slowly. Noah writes, the "two birds face each other, patter their feet to stay close as they move forward and backward, each testing the other's reflexes, and point their beaks at the sky." "Then, as they simultaneously utter a chilling scream, the albatrosses each extend their wings to show off the full 12-foot span, facing off while continuing to jockey for position. Now they are ready to mate. It has taken 15 years to decide on a partner, but having decided, albatrosses don't switch.

FOURMIS: Une immense citée souterraine d&... Andreas Kay’s unbelievable grasshopper photos. ... - Radiolab Comment les plantes parlent-elles entre elles Il est difficile d'imaginer qu'une salade de votre potager parle à une autre, mais c'est pourtant un peu ce qu'affirment une équipe de chercheurs australiens. L'idée est que la communication se fait via des sons « microscopiques ». Ils pensent aussi que certaines plantes parlent amicalement, et d'autres sont « désagréables ». Il s'agirait (hypothèse des chercheurs) de signaux acoustiques générés par des oscillations nanomécaniques à l'intérieur des cellules. L'expérience consistait essentiellement à bloquer d'abord toutes les formes de communications éventuelles entre plantes, y compris lumineuses et chimiques.

Plastics Don't Disappear, But They Do End Up In Seabirds' Bellies hide captionA dead young albatross on the Midway Atoll in the Pacific Ocean. You can see more of photographer Chris Jordan's work on the effects of plastics on seabirds at The Picture Show. Chris Jordan/Flickr A dead young albatross on the Midway Atoll in the Pacific Ocean. The vast majority of debris in the ocean — about 75 percent of it — is made of plastic. While plastic may break down into smaller and smaller pieces, some as small as grains of sand, these pieces are never truly biodegradable. "The smaller the piece of debris, the more accessible it is — and the wider the range of creatures that could potentially eat it," says Thompson, who talked with NPR's Melissa Block about his research on the effects of these tiny particles. Thompson says limiting the damage plastics can cause to sea life doesn't mean giving up plastic entirely. You can hear Block's full conversation with Thompson at the audio link above.