Whenever you choke on acrid cigarette smoke, feel like you're burning up from a mouthful of wasabi-laced sushi, or cry while cutting raw onions and garlic, your response is being triggered by a primordial chemical sensor ...
Biochemistry
Mar 17, 2010
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(Phys.org)—Scientists at The Scripps Research Institute have shown how to synthesize in the laboratory an important set of natural compounds known as terpenes. The largest class of chemicals made by living organisms, terpenes ...
Biochemistry
Sep 24, 2012
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1
Eurasian spruce bark beetles (Ips typographus) burrow into the bark of Norway spruce (Picea abies) trees where they mate and lay their eggs. Major outbreaks in Europe have decimated millions of hectares of conifer forests. ...
Plants & Animals
Feb 21, 2023
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121
In nature, plants engage in a never-ending battle to avoid being eaten. Unable to run away, plant species have evolved defenses to deter herbivores; they have spines, produce nasty chemicals, or grow tough leaves that are ...
Ecology
Aug 21, 2017
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113
A team of scientists led by Prof. Kang Le at the Institute of Zoology, Chinese Academy of Sciences, has reported an unprecedented animal defense mechanism by which an olfactory aposematic (warning) signal can be converted ...
Plants & Animals
Jan 28, 2019
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40
The oldest living seeds found on Earth germinated after resting more than 30,000 years in Arctic soils. But in the humid tropics, seeds do not last. "A long-lived seed in the tropics is probably only a few decades old. This ...
Ecology
Aug 3, 2018
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2
A plant may start to prime its defenses as soon as it gets a whiff of a male fly searching for a mate, according to Penn State entomologists. Once tall goldenrod plants smell a sex attractant emitted by true fruit fly males, ...
Plants & Animals
Dec 17, 2012
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A combined defense of different chemical defense substances could result in a negative interaction and mutual detoxification, according to researchers at the Max Planck Institute for Chemical Ecology in a new study, appearing ...
Ecology
Jun 6, 2022
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89
Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to whether they're getting any plant love.
Plants & Animals
Jul 13, 2009
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Insect or microbe: plants recognize their attackers and respond by producing specific internal signals that induce the appropriate chemical defenses. That is the main conclusion of a study at the Center for Medical, Agricultural ...
Plants & Animals
Mar 19, 2013
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