Tag: "pebbles" at biology news
New Study Shows Dinosaurs From Gobi Desert Site Killed In Sudden "Sand Slides" Falling From Dunes - Study Also Reports First Dinosaur Tracks From Gobi
..., this showed nostructured layering at all. Large pebbles
and cobbles, which are much too bigto have been carried by the wind, are sometimes present in these sandstones,indicating that the sandstones were not formed by wind action, and thuseliminating the possibility that windy sandstorms delivered the fata...
Earliest human ancestors discovered in Ethiopia
...urfaces that are littered with stones ranging from pebbles
to boulders." The study of the Middle Awash has been ongoing since 1981under the joint direction of White and Desmond Clark of UC-Berkeley, Giday WoldeGabriel of Los Alamos National Laboratory and Ethiopian researchers Berhane Asfaw and Yonas Beyene....
Untangling the matrix of risk factors for alcoholism
...described when he said 'we are finding interesting pebbles
while the great ocean of truth lays undiscovered before us.'" Twitchell hopes to move beyond those 'pebbles' one day. "Our group plans to follow these children over time with complete psychosocial assessments at three-year intervals into adulthood...
Abandoned penguin colonies may help refine Antarctic climate studies
...ut and forage to feed their chicks; and there were pebbles
on a beach that the birds could use to make their nests. If those conditions--especially the first three--change sufficiently, then the birds will abandon a colony and establish themselves elsewhere. Emslie said data collected by his team allow him ...
Endurance of plants under quartz rocks possible model for life on early Earth, Mars
...nts growing on the underside of translucent quartz pebbles
can endure both chilly and near-boiling temperatur...The plants, which receive enough light through the pebbles
to support photosynthesis, could offer a model for how plants first colonized land, as well as how t...