Ammonites’ fate sealed by meteor strike that wiped out dinosaurs
Ammonites were not in decline before their extinction, scientists have found. The marine molluscs with coiled shells and one of
El Niño forecasts extended to 18 months with innovative physics-based model
As more attention is drawn to possible severe weather around the world scientists are looking to improve planning for possible
A chip-scale Titanium-sapphire laser | ScienceDaily
As lasers go, those made of Titanium-sapphire (Ti:sapphire) are considered to have “unmatched” performance. They are indispensable in many fields,
For healthy adults, taking multivitamins daily is not associated with a lower risk of early death
What: A large analysis of data from nearly 400,000 healthy U.S. adults followed for more than 20 years has found
Simple new process stores CO2 in concrete without compromising strength
By using a carbonated — rather than a still — water-based solution during the concrete manufacturing process, a Northwestern University-led
Why the harsh Snowball Earth kick-started our earliest multicellular ancestors
For a billion years, single-celled eukaryotes ruled the planet. Then around 700 million years ago during Snowball Earth — a
A heart of stone: Study defines the process of and defenses against cardiac valve calcification
The human body has sophisticated defenses against the deposition of calcium minerals that stiffen heart tissues, researchers at the University
Under pressure: How comb jellies have adapted to life at the bottom of the ocean
The bottom of the ocean is not hospitable: there is no light; the temperature is freezing cold; and the pressure
Prehistoric ‘Pompeii’ discovered: Most pristine trilobite fossils ever found shake up scientific understanding of the long extinct group
Researchers have described some of the best-preserved three-dimensional trilobite fossils ever discovered. The fossils, which are more than 500 million
We date, marry people who are attractive as we are, new analysis finds
In good news for our egos, both men and women were pretty accurate at rating their own physical attractiveness, according