New technologies challenge old ideas about early hominid diets

New assessments by researchers using the latest high-tech tools to study the diets of early hominids are challenging long-held assumptions about what our ancestors ate, says a study by the University of Colorado Boulder and ...

New test for detecting fake organic milk

Scientists in Germany are reporting development of a new, more effective method to determine whether milk marketed as "organic" is genuine or just ordinary milk mislabeled to hoodwink consumers. Their report appears in the ...

Rising temps put desert shrubs in high-efficiency mode

Death Valley doesn't seem like the most ideal place to ride out rising temperatures amid a changing climate. But for the desert plants that live there, it's home—and they face the choice to adapt or die.

White shark diets vary with age and among individuals

White sharks, the largest predatory sharks in the ocean, are thought of as apex predators that feed primarily on seals and sea lions. But a new study by researchers at the University of California, Santa Cruz, shows surprising ...

Oxygen's ups and downs in the early atmosphere and ocean

Most researchers imagine the initial oxygenation of the ocean and atmosphere to have been something like a staircase, but with steps only going up. The first step, so the story goes, occurred around 2.4 billion years ago, ...

Carbon capture has a sparkling future

(PhysOrg.com) -- New research shows that for millions of years carbon dioxide has been stored safely and naturally in underground water in gas fields saturated with the greenhouse gas. The findings - published in Nature today ...

page 2 from 3