Archive | articles en anglais Flux RSS de cette section

À propos de rahmani-M-lyes

la passion c'est le mot que je préfére apres aventure........

The Global Challenge of Ocean Acidification

17 octobre 2012

0 Commentaire

  This groundbreaking NRDC documentary explores the startling phenomenon of ocean acidification, which may soon challenge marine life on a scale not seen for tens of millions of years. The film, featuring Sigourney Weaver, originally aired on Discovery Planet Green.

Lire la suite...

Sarcastic fringehead

5 octobre 2012

0 Commentaire

The sarcastic fringehead (Neoclinus blanchardi) is a ferocious fish which has a large mouth and aggressive territorial behaviour. When two fringeheads have a territorial battle, they wrestle by pressing their distended mouths against each other, as if they were kissing. This allows them to determine which is the larger fish, which establishes dominance.[1] They can […]

Lire la suite...

For the first time remarkable photographs reveal hidden charms of ordinary SAND

18 mai 2012

0 Commentaire

    Wed at a magnification of over 250 times real life, tiny grains of sand are shown to be delicate, colourful structures as unique as snowflakes. When seen well beyond the limits of human eyesight, the miniature particles are exposed as fragments of crystals, spiral fragments of shells and crumbs of volcanic rock. Professor […]

Lire la suite...

Tsunami

22 mars 2011

0 Commentaire

  A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land. These walls of water can cause widespread destruction when they crash ashore. These awe-inspiring waves are typically caused by large, undersea earthquakes at tectonic plate boundaries. When the ocean floor […]

Lire la suite...

Mother whales !

7 avril 2009

25 Commentaires

Mother Whales Teach Babies Where To Eat: Can Southern Right Whales Adapt If Food Becomes Scarce?  University of Utah biologists discovered that young « right whales » learn from their mothers where to eat, raising concern about their ability to find new places to feed if Earth’s changing climate disrupts their traditional dining areas. For a month […]

Lire la suite...

lesjournalistes |
Carnet de voyage |
Espace d'un enseignant-appr... |
Unblog.fr | Créer un blog | Annuaire | Signaler un abus | luna la lunatique dans la lune
| maman89
| *~~ Lili ~~*