Hard as a rock? Maybe not, say bacteria that help form soil

Research published this week by University of Wisconsin-Madison scientists shows how bacteria can degrade solid bedrock, jump-starting a long process of alteration that creates the mineral portion of soil.

Diet likely changed game for some hominids 3.5 million years ago

A new look at the diets of ancient African hominids shows a "game changer" occurred about 3.5 million years ago when some members added grasses or sedges to their menus, according to a new study led by the University of Colorado ...

First evidence discovered of planet's destruction by its star

(Phys.org) -- The first evidence of a planet's destruction by its aging star has been discovered by an international team of astronomers. The evidence indicates that the missing planet was devoured as the star began expanding ...

New light on Leonardo Da Vinci's faces

How did Leonardo Da Vinci manage to paint such perfect faces? For the first time a quantitative chemical analysis has been done on seven paintings from the Louvre Museum (including the Mona Lisa) without extracting any samples.

Using sound and light to generate ultra-fast data transfer

Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second—around one thousand times quicker than a fast ...

Chemicals in the environment: A focus on mixtures

Chemicals have improved our quality of life. But at the same time, they pose a considerable risk for humans and the environment: pesticides, pharmaceuticals and plasticisers enter the environment and the food chain, causing ...

Pachacamac Idol of ancient Peru was symbolically painted

The Pachacamac Idol of ancient Peru was a multicolored and emblematic sacred icon worshipped for almost 700 hundred years before Spanish conquest, according to a study published January 15, 2020 in the open-access journal ...

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