18/12/2019

Researchers crack Newton's elusive three-body problem

It's been nearly 350 years since Sir Isaac Newton outlined the laws of motion, claiming "For every action, there is an equal and opposite reaction." These laws laid the foundation to understand our solar system and, more ...

Perpetual predator-prey population cycles

How can predators coexist with their prey over long periods without the predators completely depleting the resource that keeps them alive? Experiments performed over a period of 10 years by researchers from McGill University ...

Caribbean settlement began in Greater Antilles, researchers say

A fresh, comprehensive look at archaeological data suggests that seafaring South Americans settled first on the large northernmost islands of the Greater Antilles rather than gradually moving northward from the much closer, ...

Grain traits traced to 'dark matter' of rice genome

Domesticated rice has fatter seed grains with higher starch content than its wild rice relatives—the result of many generations of preferential seed sorting and sowing. But even though rice was the first crop to be fully ...

GISMO instrument maps inner Milky Way, sees cosmic 'candy cane'

A feature resembling a candy cane appears at the center of this colorful composite image of our Milky Way galaxy's central zone. But this is no cosmic confection. It spans 190 light-years and is one of a set of long, thin ...

In Global South, urban sanitation crisis harms health, economy

Cities in the "global south"—densely populated urban areas that are part of low-income countries in Asia, Africa and Latin America—should phase out pit latrines, septic tanks and other on-site methods of human waste management.

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