Monarch butterflies possess a potent chemical armor. As caterpillars, they eat plants filled with toxic cardenolides that build up in their bodies and make them unpalatable to most—but not all—predators. In central Mexico, ...
Plants & Animals
Jan 5, 2022
0
251
Let's take a journey into the depths of the Earth, down through the crust and mantle nearly to the core. We'll use seismic waves to show the way, since they echo through the planet following an earthquake and reveal its internal ...
Earth Sciences
Dec 30, 2021
1
1829
Shrubs in the desert Southwest have increased their water use efficiency at some of the highest rates ever observed to cope with a decades-long megadrought. That's the finding of a new study from University of Utah researchers, ...
Ecology
Dec 20, 2021
0
111
It's called Armillaria ostoyae, and it's a gnarly parasitic fungus with long black tentacles that spread out and attack vegetation with the ferocity of a movie monster.
Plants & Animals
Dec 7, 2021
0
26
As important as emissions of the greenhouse gas methane are in the climate conversation, recently factoring prominently in the recent COP26 conference in Glasgow, researchers have painfully little long-term data on emissions ...
Earth Sciences
Nov 16, 2021
0
102
Every mammal hosts a hidden community of other organisms—the microbiome. Their intestines teem with complex microbial populations that are critical for nutrition, fighting disease and degrading harmful toxins. Throughout ...
Cell & Microbiology
Nov 15, 2021
0
68
Space has become a trash heap.
Space Exploration
Oct 29, 2021
0
422
In a dry year in the West, when the world turns crispy and cracked, rivers and streams with their green, lush banks become a lifesaving yet limited resource.
Plants & Animals
Oct 28, 2021
0
46
Phosphines are among the most important ligands for transition metal catalysis. Phosphines bind to a metal and modify its structure, reactivity, and selectivity. Many of the most practiced catalytic reactions in the pharmaceutical/commodity ...
Materials Science
Oct 14, 2021
0
40
For the past 150 years, humans have pumped extraordinary amounts of greenhouse gasses, such as CO2, into the atmosphere and warmed the planet at an alarming rate. To slow down climate change, societies tend to focus on two ...
Earth Sciences
Sep 23, 2021
1
33
