The rise of the Rocky Mountains and the appearance of a major seaway that divided North America may have boosted the evolution of new dinosaur species, according to a new Ohio University-led study.
Archaeology
Aug 2, 2012
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A pan-European study published in Science shows that mountain plants across the continent are moving to higher altitudes. This often results in raised species numbers on mountain tops, when colonizers from lower down start ...
Ecology
Apr 19, 2012
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Known for its distinctive "ribbit" call, the noisy Pacific chorus frog is a potent carrier of a deadly amphibian disease, according to new research published today in the journal PLoS ONE. Just how this common North American ...
Plants & Animals
Mar 12, 2012
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(PhysOrg.com) -- It seems intuitive that not all plant species could have taken a foothold on land at the same time all those millions of years ago as conditions on Earth evolved to the point where they could survive; some ...
(PhysOrg.com) -- Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity in the animal world, ...
Plants & Animals
Sep 8, 2011
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We often think of rainforests and coral reefs as hotspots for biodiversity, but mountains are treasure troves for species too -- especially in the tropics, scientists say. But what drives montane biodiversity? The diversity ...
Environment
Jun 8, 2011
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According to Dr Annette Baudisch of the Max Planck Institute for Demographic Research in Rostock, Germany, current methods of comparing patterns of ageing are limited because they confound two different elements of ageing ...
Evolution
Feb 15, 2011
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Do mountain tops act as sky islands for species that live at high elevations? Are plant populations on these mountain tops isolated from one another because the valleys between them act as barriers, or can pollinators act ...
Plants & Animals
Jan 21, 2011
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Finding a new animal species is a special moment for scientists and even better when one hops into their mountain camp and volunteers to be discovered.
Plants & Animals
May 17, 2010
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Travel from the tropics to the poles, and you'll notice that the diversity of mammals declines with distance from the equator. Move from lowland to mountains, and you'll see diversity increase as the landscape becomes more ...
Evolution
May 5, 2010
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