Study advances understanding the stories of ancient climate told by tiny shells
How can we know anything about the carbon dioxide levels in the atmosphere in earth's deep past? Tiny bubbles trapped in ice provide samples of ancient air but this record goes back only 800,000 years....
View ArticleIdentifying age measurements distorted by fossil fuel emissions
Good news for archaeologists and natural scientists! You will be able to continue to use the radiocarbon method as a reliable tool for determining the age of artefacts and sample materials. The...
View ArticlePrehistoric humans actively adapted their survival strategies
Scientists from the Senckenberg Center for Human Evolution and Palaeoenvironment at the University of Tübingen discovered that Neanderthals modified their survival strategies even without external...
View ArticleAncient horse poo sheds light on Hannibal's march
The route taken by Hannibal over the Alps to invade Italy has been a matter of debate for 2,000 years, but scientists may now have the answer—thanks to some ancient horse poo.
View ArticleHow ancient horse-dung bacteria is helping our team locate where Hannibal...
Despite thousands of years of hard work by brilliant scholars, the great enigma of where Hannibal crossed the Alps to invade Italy remained unsolved. But now it looks like we may just have cracked it –...
View ArticleTiny fossils tell a long(ish) story
The impact of an asteroid at the end of the Cretaceous caused mass extinctions in the oceans, as well as killing the dinosaurs on land. The carbon isotope difference between surface and seabed...
View ArticleCombining techniques provides new insight into bird migration
Two complementary methods work together in a study forthcoming in The Auk: Ornithological Advances, producing more refined estimates of where individual Barn Swallows spend the winter. Using the...
View ArticleMacroalgae helps to understand marine food webs
Research into macroalgae on WA reefs has revealed relationships between carbon isotope ratios and factors like temperature that may assist in the long-term monitoring of marine food webs.
View ArticleTooth enamel provides clues on tsetse flies and the spread of herding in...
One of the most important technological advances of our species happened for the first time only in the last 12,000 years: food production, including agriculture and animal husbandry. For nearly 7...
View ArticleNew detector sniffs out origins of methane
Methane is a potent greenhouse gas, second only to carbon dioxide in its capacity to trap heat in Earth's atmosphere for a long time. The gas can originate from lakes and swamps, natural-gas pipelines,...
View ArticleLife might thrive a dozen miles beneath Earth's surface
Life teems all over our planet's exterior and even down into the lightless oceanic depths. But just how far underground might life be able to hack it?
View ArticleNew chemical analysis of ancient Martian meteorite provides clues to planet's...
A new analysis of a Martian rock that meteorite hunters plucked from an Antarctic ice field 30 years ago this month reveals a record of the planet's climate billions of years ago, back when water...
View ArticleStudy sheds new light on the diet of extinct animals
A study of tooth enamel in mammals living today in the equatorial forest of Gabon could ultimately shed light on the diet of long extinct animals, according to new research from the University of Bristol.
View ArticleStudy on global carbon cycle may require reappraisal of climate events in...
A recent study of the global carbon cycle offers a new perspective of Earth's climate records through time. Scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric...
View ArticleRichest marine reptile fossil bed along Africa's South Atlantic coast is...
(Phys.org) —Paleontologists at Southern Methodist University have measured the carbon isotopes in marine fossils to precisely date for the first time 30 million years of sediments along Africa's South...
View ArticleDiscovery of oldest footprints gives clues to Mexico's climate
The oldest human footprints in North America have been dated for the first time and could help scientists to understand what Mexico's climate was like 7000 years ago.
View ArticleResearchers quantify toxic ocean conditions during major extinction 93.9...
Oxygen in the atmosphere and ocean rose dramatically about 600 million years ago, coinciding with the first proliferation of animal life. Since then, numerous short lived biotic events—typically marked...
View ArticleA selective approach to draw data from altered foraminifera shells
A sudden surge in the concentration of carbon dioxide in the air and the ocean 56 million years ago may have triggered the Paleocene-Eocene thermal maximum (PETM), a period of rapid and dramatic...
View ArticleNew microplasma source excites matter in controlled way, may revolutionize...
A team of researchers from Uppsala University in Sweden has designed a microplasma source capable of exciting matter in a controlled, efficient way. This miniature device may find use in a wide range...
View ArticleChanging climate may have driven collapse of civilizations in Late Bronze Age
Climate change may have driven the collapse of once-flourishing Eastern Mediterranean civilizations towards the end of the 13th century BC, according to research published August 14 in the open access...
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