Research team demonstrates fractal light from lasers

Fractal patterns are common in nature, including in the geometric patterns of a tortoise shell, the structure of a snail shell, the leaves of a succulent plant that repeat to create an intricate pattern, and the frost pattern ...

How dangerous is microplastic?

After alarming reports of microplastic pollution in oceans and beaches, the global scientific community intensified its focus into this area. Researchers have since found evidence of microplastic contamination everywhere—in ...

Greenhouse gas 'detergent' recycles itself in atmosphere

A simple molecule in the atmosphere that acts as a "detergent" to breakdown methane and other greenhouse gases has been found to recycle itself to maintain a steady global presence in the face of rising emissions, according ...

A solar-powered asteroid nursery at the orbit of Mars

The planet Mars shares its orbit with a handful of small asteroids, the so-called Trojans. Among them, one finds a unique group, all moving in very similar orbits, suggesting that they originated from the same object. But ...

Tiny 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 organisms (foraminifera) also ...

Evolution is unpredictable and irreversible, biologists show

Evolutionary theorist Stephen Jay Gould is famous for describing the evolution of humans and other conscious beings as a chance accident of history. If we could go back millions of years and "run the tape of life again," ...