How Venus and Mars can teach us about Earth

One has a thick poisonous atmosphere, one has hardly any atmosphere at all, and one is just right for life to flourish – but it wasn't always that way. The atmospheres of our two neighbours Venus and Mars can teach us a ...

Pale blue dot – or not?

Appearances can be deceiving. This thick, cloud-rich atmosphere rains sulphuric acid and below lie not oceans but a baked and barren lava-strewn surface. Welcome to Venus.

Natural phenomenon of Manhattanhenge expected to draw crowds

Thanks to a natural phenomenon, it's not all about the plays and celebrity sightings in New York City. When the sun lines up with the Manhattan street grid before setting, the city gets bathed in radiance.

Cactus roots inspire creation of water-retaining material

During rare desert rainfalls, cacti waste no time sopping up and storing a storm's precious precipitation. Inspired by this natural phenomenon, scientists report in a study appearing ACS Macro Letters that they have developed ...

Saharan dust affects marine bacteria, potential pathogen Vibrio

Iron, a critical element for living organisms, can be hard to hard to come by in open marine waters—except each summer, when atmospherically transported dust from north Africa's Sahara Desert provides pulses of biologically ...

Dead fish blight Rio Olympic bay, again

Thousands of dead fish were found floating in Rio de Janeiro's picturesque but polluted bay Wednesday, not far from where the Olympic sailing competitions will be held in August.

What makes fireflies glow?

As fireflies are delighting children across the country with their nighttime displays, scientists are closing in on a better understanding of how the insects produce their enchanting glow. They report in the Journal of the ...

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