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Environment Apr 24, 2024

Africa's megacities threatened by heat, floods, disease—action needed to start greening, adapt to climate change

Cities cover just 3% of the planet. But they emit 78% of all global greenhouse gas emissions, absorb 80% of final global energy (what consumers use) and consume 60% of clean drinking water.

Environment Apr 24, 2024

New research confirms plastic production is directly linked to plastic pollution

A research paper published in Science Advances reveals a direct correlation between plastic production and plastic pollution, such that every 1% increase in plastic production is associated with a 1% increase in plastic pollution ...

Biochemistry Apr 24, 2024

A chemical mystery solved—the reaction that explains large carbon sinks

A mystery that has puzzled the scientific community for more than 50 years has finally been solved. A team from Linköping University, Sweden, and Helmholtz Munich have discovered that a certain type of chemical reaction ...

Evolution Apr 23, 2024

Bioluminescence first evolved in animals at least 540 million years ago, pushing back previous oldest dated example

Bioluminescence first evolved in animals at least 540 million years ago in a group of marine invertebrates called octocorals, according to the results of a new study from scientists with the Smithsonian's National Museum ...

Astronomy Apr 23, 2024

Hubble celebrates 34th anniversary with a look at the little dumbbell nebula

In celebration of the 34th anniversary of the launch of NASA's legendary Hubble Space Telescope on April 24, astronomers took a snapshot of the Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located ...

Environment Apr 23, 2024

Talks on global plastic treaty begin in Canada

Negotiators from 175 nations began talks Tuesday on a proposed global treaty to reduce plastic pollution, which is found everywhere from mountain tops to ocean depths, and in human blood and breast milk.

Astrobiology Apr 23, 2024

Will we know if TRAPPIST-1e has life?

The search for extrasolar planets is currently undergoing a seismic shift. With the deployment of the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS), scientists discovered thousands of exoplanets, ...

Environment Apr 23, 2024

Beyond higher temperatures: Preparing for national security risks posed by climate change

When talk turns to climate change, certain images pop to mind—maybe polar bears on ever-shrinking ice floes, coral reefs drained of color, or more powerful hurricanes hitting the coast.

Space Exploration Apr 23, 2024

NASA to overhaul mission returning samples from Mars—here's why it must and will go ahead

NASA recently announced that it is seeking new ways to complete the return to Earth of rock cores drilled by the Perseverance Rover in the Jezero Crater on Mars. This has led to some anxiety among space scientists, who view ...

Environment Apr 23, 2024

Ecosystems are deeply interconnected—environmental research, policy and management should be too

Why are we crossing ecological boundaries that affect Earth's fundamental life-supporting capacity? Is it because we don't have enough information about how ecosystems respond to change? Or are we unable, even unwilling, ...

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