Lions vs. Hyenas -- A Long-Running, Pleistocene Rivalry
The bad blood between lions and spotted hyenas runs deep, and is one of the most celebrated rivalries in nature. Their gory competition over carcasses on the African savanna has been memorialized in numerous wildlife documentaries like Beverly and Derek Joubert’s classic Eternal Enemies. “Eternal” is obviously a bit of an overstatement – the competition between the species has only existed as long as both have been around – but fossil evidence from prehistoric Europe at least partially documents how far back lions and hyenas have been snarling at each other.
Not so far into the past, during...
Microsoft dévoile Windows 8 et une tablette hybride !
Imaginez un iPad doté des deux systèmes d’exploitation d’Apple, iOS et Mac OS, qui permettrait de basculer entre les deux d’un clic selon la tâche à effectuer. C’est la petite révolution que prépare Microsoft avec Windows 8.
Microsoft a donc dévoilé en avant-première mondiale lundi lors de sa conférence des développeurs Build à Anaheim (Los Angeles) la nouvelle évolution de son système d’exploitation, Windows 8. Si les observateurs savaient en substance à quoi s’attendre en termes de design d’interface, les équipes de Windows, dirigées par Steven Sinofsky, nous avaient quand même préparé deux s...
Tar Sands Showdown: The Fight Over the Future of Energy
Over two weeks at the end of August and beginning of September, more than 1,200 people were arrested in Washington, D.C. during acts of civil disobedience against the proposed Keystone XL oil pipeline.
The protests were the environmental movement’s largest in decades, in keeping with the pipeline’s scope: It would run some 2,100 miles from the vast tar sand deposits of Alberta, Canada, which contain crude oil deposits large than any in the world outside Saudi Arabia, to refineries in the Gulf of Mexico.
As immense as the oil sands deposits are, however, they’re also difficult to access. E...