Earth.com

Signatures of an exotic element discovered when retesting Apollo moon samples

Scientists found unusual sulfur in moon samples from Apollo 17. The discovery reveals new clues about the Moon’s ancient ...

Scientists Find Secret Atomic Patterns in Common Metals, Challenging Decades of Theory

MIT researchers found that a hidden atomic order can persist in metals even after they undergo extreme processing. For ...
Earth.com

New evidence renews hope of finding life on Saturn's moon Enceladus

"Complex chemical reactions" discovered in fresh ice grains from Saturn’s moon Enceladus renews hopes that it may harbor life ...
IEEE

The estimation of VaR and ES based on Gaussian mixture model–Take the Shanghai Composite Index as an example

Abstract: The key to calculating Value at Risk is whether the assumption of return distribution of financial assets is reasonable. In the first place, we introduce the basic theoretical knowledge of ...
C&EN

Environmental Contaminant Mixtures at Ambient Concentrations Invoke a Metabolic Stress Response in Goldfish Not Predicted from Exposure to Individual Compounds Alone

† † Department of Biological Sciences and ‡ Institute of Environmental Toxicology 2500 University Drive NW, University of Calgary, Calgary, Alberta, Canada T2N 1N4 *Mailing address: Department of ...