The showy colors of some butterflies could advertise their speed and nimbleness, much like a coat of bright yellow paint on a sports car. A new study shows birds can learn to recognize these visual cues, avoiding not only ...
Plants & Animals
Mar 11, 2021
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250
Many plants produce toxic chemicals to protect themselves against plant-eating animals, and many flowering plants have evolved flower structures that prevent pollinators such as bees from taking too much pollen. Now ecologists ...
Ecology
Feb 1, 2011
2
2
Chemical signals used by the eggs of broadcast spawning invertebrates to assist sperm in fertilisation could also play a role in sexual selection, or mate choice.
Plants & Animals
Oct 2, 2013
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0
Maize plants form special compounds derived from indole, the so-called benzoxazinoids. They are considered ecologically important because they act against a wide range of herbivores and reduce their feeding. Benzoxazinoids ...
Evolution
Oct 9, 2023
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243
Scientists from around the world have called for laws to tackle the growing problem of plastic waste.
Environment
Feb 13, 2013
12
0
Jairo Kenupp Bastos first heard about the insect while visiting Canavieiras on the south coast of Bahia, a state in the Northeast of Brazil. "Local beekeepers told me about a tiny beetle that made holes in a plant called Dalbergia ...
Plants & Animals
May 27, 2022
0
21
(PhysOrg.com) -- Around the world, amphibian populations are in decline, and scientists have not been able to figure out why. Now a study of leopard frogs in Pennsylvania has identified a possible culprit, and the ramifications ...
Environment
Feb 4, 2009
7
1
A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth. The study shows that RNA is capable of catalyzing electron transfer under ...
Biochemistry
May 19, 2013
1
0
(Phys.org) -- Predatory beetles can detect the unique alarm signal released by ants that are under attack by parasitic flies, and the beetles use those overheard conversations to guide their search for safe egg-laying sites ...
Plants & Animals
Aug 3, 2012
0
0
MIT and Harvard University chemists have discovered the structure of an unusual bacterial enzyme that can break down an amino acid found in collagen, which is the most abundant protein in the human body.
Biochemistry
Mar 17, 2020
0
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