The vast majority of stars have planets. We know that from observations of exoplanetary systems. We also know some stars don't have planets, and perhaps they never had planets. This raises an interesting question. Suppose ...
Astronomy
Aug 1, 2022
0
6
We have a pretty good idea of what lurks within our solar system. We know there isn't a Mars-sized planet orbiting between Jupiter and Saturn, nor a brown dwarf nemesis heading our way. Anything large and fairly close to ...
Astronomy
Aug 1, 2022
9
129
Australia's wildlife is increasingly threatened with extinction. One key driver of this is habitat clearing and fragmentation. An associated factor is the expansion of our road network, particularly the upgrade and duplication ...
Ecology
Aug 1, 2022
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18
Since late 2020, the La Niña climate pattern has led to two years of above-average rainfall across much of Australia, and severe floods in parts of the country.
Environment
Aug 1, 2022
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3
We do not often think about the labor that goes into bringing our favorite fruits and vegetables to our table. For farmers, growing healthy crops involves repetitive tasks such as weeding and spraying while the crop is growing. ...
Biotechnology
Aug 1, 2022
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4
Powerful storm systems triggered flash flooding across the U.S. in late July, killing at least 28 people in eastern Kentucky as floodwater engulfed homes and set off mudslides. Record rainfall also inundated St. Louis neighborhoods, ...
Environment
Aug 1, 2022
14
3
A new telescope, made up of two identical arrays on opposite sides of the planet, will track down sources of gravitational waves.
Astronomy
Aug 1, 2022
0
133
Birmingham scientists have revealed a new method to increase efficiency in biocatalysis, in a paper published today in Materials Horizons.
Polymers
Aug 1, 2022
0
465
Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic, components. The development could aid efforts to achieve ultrafast all-optical signal ...
Optics & Photonics
Aug 1, 2022
0
1464
Over the past 60 years, the global forest area has declined by 81.7 million hectares, a loss that contributed to the more than 60% decline in global forest area per capita. This loss threatens the future of biodiversity and ...
Environment
Aug 1, 2022
1
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