Many encounters between predators and prey take place in dense vegetation. Predators lurk and wait for the best moment to attack, but are seldom visible. For a prey animal, the smell of a predator is one of many signals for ...
Plants & Animals
Apr 20, 2020
0
7
Researchers have developed a new laser-based system that offers an efficient and low-cost way to detect fires in challenging environments such as industrial facilities or large construction sites. With further development, ...
Optics & Photonics
Sep 25, 2019
0
14
Every spring in Australia is heralded by reports of magpies swooping at people. While it is of little comfort to those at the receiving end of a surprise attack, such events are actually quite rare when one considers the ...
Ecology
Sep 19, 2019
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4
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, ...
Plants & Animals
Jul 24, 2019
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43
Predicting when a volcano will next blow is tricky business, but lessons we learned from one of Hawaii's recent eruptions may help.
Environment
May 22, 2019
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13
Alexa's got a new gig: home safety.
Consumer & Gadgets
May 14, 2019
1
9
When Hawaiian Island residents received a false alarm text message that said "Ballistic missile threat inbound to Hawaii. Seek immediate shelter. This is not a drill," in January 2018, the result was not panic, according ...
Social Sciences
Feb 27, 2019
0
1
Earthquake early warnings can come as false alarms—but it's better to be safer than sorry, researchers concluded in a new study.
Earth Sciences
Feb 25, 2019
0
10
Researchers at ETH Zurich are applying machine learning in intensive care units to distinguish between false alarms and those signalling real medical issues.
Machine learning & AI
Jan 23, 2019
0
6
When a chemical alarm cue is released into one of two flumes, the normal response for a fish is to swim down the flume without the chemical. But when the water is more acidic, some fish do not behave normally: instead they ...
Ecology
Dec 20, 2017
0
13
