In the Arctic, climate change and pollution are the biggest threats to top predators like narwals. Studying the animals' tusks reveals that diet and exposure to pollution have shifted over the past half century in response ...
Plants & Animals
Mar 29, 2021
0
125
Every year, a new growth layer is added to the narwhal's spiraled tusk. The individual layers act as an archive of data that reveals what and where the animal has eaten, providing a glimpse of how the ice and environmental ...
Ecology
Mar 11, 2021
0
70
Roly poly bugs may be a source of fun for kids and adults but these little bugs that form into balls at the slightest touch are causing problems for some threatened fish.
Plants & Animals
Dec 2, 2020
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7
The proliferation of pits and ponds created in recent years by miners digging for small deposits of alluvial gold in Peru's Amazon has dramatically altered the landscape and increased the risk of mercury exposure for indigenous ...
Environment
Nov 27, 2020
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226
The sinking carcasses of fish from near-surface waters deliver toxic mercury pollution to the most remote and inaccessible parts of the world's oceans, including the deepest spot of them all: the 36,000-foot-deep Mariana ...
Earth Sciences
Nov 16, 2020
13
757
I don't know if you've noticed by now, but the Earth is a little bit wet. How Earth got all its water is one of the major mysteries in the formation of the solar system, and a team of Japanese researchers have just uncovered ...
Astronomy
Nov 3, 2020
4
24
Great egrets in the Everglades are losing their sexual motivation because they are exposed to mercury through the fish they eat, a University of Florida study using more than 20 years of data has found.
Ecology
Oct 27, 2020
0
6
A citizen science program that began over a decade ago found that dragonflies can be used to measure mercury pollution. Research Professor Celia Chen, director of Dartmouth's Toxic Metals Superfund Research Program, explains ...
Environment
Oct 27, 2020
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15
This sequence of 64 images was captured by Monitoring Camera 2 onboard the Mercury Transfer Module from 40 minutes before until 15 minutes after closest approach of 10 720 km from Venus. The images were taken every 52 seconds. ...
Space Exploration
Oct 16, 2020
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32
On Saturday, October 20, 2018, the BepiColombo space probe set off on its journey to Mercury from the European spaceport in Kourou, French Guiana. The 6.40 meters high and 4.1 tons heavy BepiColombo space probe consists of ...
Space Exploration
Oct 14, 2020
1
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