news 2017


Earth Sciences

Results 1 - 7 of 7.

Earth Sciences - History / Archeology - 01.12.2017
Bronze Age artifacts used meteoric iron
You may already be surprised to hear there are iron objects dating back to the Bronze Age, but their meteorite origin is even more astonishing. Though meteorites had already been recognized as one source of this metal, the scientific community couldn't determine whether they accounted for most or simply a few Bronze Age iron artifacts.

Earth Sciences - Astronomy / Space Science - 30.11.2017
New early signals to quantify the magnitude of strong earthquakes
After an earthquake, there is a disturbance in the field of gravity almost instantaneously. This could be recorded before the seismic waves that seismologists usually analyze. In a study published in Science on December 1, 2017, a team formed of researchers from CNRS, IPGP, the Université Paris Diderot 1 and Caltech has managed to observe these weak signals related to gravity and to understand where they come from.

Earth Sciences - Life Sciences - 13.11.2017
World's longest sauropod dinosaur trackway brought to light
World’s longest sauropod dinosaur trackway brought to light
In 2009, the world's largest dinosaur tracks were discovered in the French village of Plagne, in the Jura Mountains. Since then, a series of excavations at the site has uncovered other tracks, sprawling over more than 150 meters. They form the longest sauropod trackway ever to be found.

Earth Sciences - Event - 05.10.2017

Earth Sciences - Life Sciences - 28.06.2017
Brooding dinosaurs
Brooding dinosaurs
A new method used to perform geochemical analysis of fossilized eggs from China has shown that oviraptorosaurs incubated their eggs with their bodies within a 35–40° C range, similar to extant birds today. This finding is the result of Franco-Chinese collaboration coordinated by Romain Amiot of the Laboratoire de géologie de Lyon: Terre, planètes et environnement (CNRS/ENS de Lyon/Université Claude Bernard Lyon 1).

Life Sciences - Earth Sciences - 07.06.2017
The secrets of tooth calcium revealed
The secrets of tooth calcium revealed
Two studies on calcium isotopes 1 in teeth have provided new insights into both the extinction of the dinosaurs and weaning age in humans. The findings of these studies, conducted by CNRS researchers at Lyon ENS and Université Claude Bernard Lyon 1, were published, respectively, on 25 and 30 May 2017 in Current Biology and PNAS .

Astronomy / Space Science - Earth Sciences - 22.02.2017
An exceptional system of exoplanets
An exceptional system of exoplanets
Seven temperate Earth-sized planets revolve around the star TRAPPIST-1. In addition, at least three of them harbor conditions compatible with the presence of liquid water on their surfaces.