Tag: "tortoise" at biology news
Dinosaurs in bullet-proof vests
...ozen centimetres and ended in long points. 'Unlike tortoise
shells, the individual plates lay next to each other. They were not fused together,' the PhD student Torsten Scheyer explains. This kind of armour was flexible and could thus not break so easily under pressure. Although modern crocodiles have a simil...
New NSF-AAAS report highlights 'learning communities,' other STEM educational strategies
... studies of fertilizer impacts. Faculty studies of tortoise
populations provide a springboard for student projects, too. TRANSLATING SCIENCE INTO PICTURES (Cambridge, MA): "In the near future," NSF program officer Steve Cunningham said, "We expect to see computer-based visualization work becoming a common p...
New taxon of Galpagos tortoise identified
...The new taxon (species or sub-species) of Galpagos tortoise
was characterized by a team of scientists led by ...blished by the Royal Society of London.The current tortoise
populations on the island of Santa Cruz, long believed to comprise a single taxon, are in fact, thre...
Proposal would allow wild animals to roam North America
...ewilding notion by releasing the endangered Bolson tortoise
on a private ranch in New Mexico. The tortoise, which can weigh up to 100 pounds and once thrived in Arizona, New Mexico, Texas and Mexico, now only survives in a small area of northern Mexico. Evidence shows that animals near the top of the food ch...
Unexpected finding: Some dinosaurs grew slower in hard times
...ore slowly than when there is food galore. Thus, a tortoise
can be 30, 40 or even 60 centimetres long at the same age. 'Warm-blooded animals, by contrast, cannot so easily turn down their metabolism,' the lecturer says: 'If the food supply is inadequate, there's only one thing they can do die.' Dinosaurs lie...
Whether in mice or men, all cells age the same, Stanford study finds
...y happens as a matter of course. The homeowners in tortoise
cells stick around for hundreds of years delaying the decay, while those in fly cells move out within weeks. Although Kim's work doesn't identify what triggers that process, it does provide a way of detecting the point a cell has reached in its lif...
Famous Galpagos tortoise, Lonesome George, may not be alone
...aven, Conn. "Lonesome George," a giant Galapagos tortoise
and conservation icon long thought to be the sole ... Charles Darwin Research Station, has identified a tortoise
that is clearly a first generation hybrid between the native tortoises from the islands of Isabela a...
Lonesome George is not alone among Galpagos tortoises
...e the sole survivor of a species of giant Galpagos tortoise
(Geochelone abingdoni), this conservation icon may...ishermen. In the late 1960s, it was noted that the tortoise
population on this island had dwindled close to extinction. Indeed, in 1972 only a single male, Lone...