Aphid Salivary Gene May Regulate Gall Color
Aphid Salivary Gene May Regulate Gall Color
Whether the galls that aphids make on witch hazel leaves are red or green is associated with a gene expressed in the insects’ salivary glands.
Aphid Salivary Gene May Regulate Gall Color
Aphid Salivary Gene May Regulate Gall Color

Whether the galls that aphids make on witch hazel leaves are red or green is associated with a gene expressed in the insects’ salivary glands.

Whether the galls that aphids make on witch hazel leaves are red or green is associated with a gene expressed in the insects’ salivary glands.

ecology & environment
Polar Bear Researcher Markus Dyck Dies in Helicopter Crash
Polar Bear Researcher Markus Dyck Dies in Helicopter Crash
Lisa Winter | Apr 30, 2021
Dyck was widely respected for working alongside indigenous groups as he studied polar bears on their ancestral lands.
Bill to Greatly Expand Wolf Hunting in Idaho Heads to Governor
Bill to Greatly Expand Wolf Hunting in Idaho Heads to Governor
Amanda Heidt | Apr 28, 2021
If signed, the law would boost funding for independent contractors to kill wolves and would allow for more than 90 percent of the population in the state to be taken by hunters.
Conservation Biologists May Unintentionally Spread Pathogens
Conservation Biologists May Unintentionally Spread Pathogens
Amanda Heidt | Apr 19, 2021
When conservationists relocate species, they don’t always account for the pathogens hitching a ride, and the consequences of introducing them to a new environment.
A Song of Spider Silk
A Song of Spider Silk
Lisa Winter | Apr 15, 2021
Scientists from MIT reveal the hidden music in spiderwebs.
Q&A: New Tool Ranks Viruses by Their Risk of Jumping to Humans
Q&A: New Tool Ranks Viruses by Their Risk of Jumping to Humans
Jef Akst | Apr 9, 2021
Researchers involved in a long-term project to identify viruses of concern have now assessed the risk factors that could help forecast which pathogens are the most likely to spillover from wildlife to people.
Environmental DNA Can Be Pulled from the Air
Environmental DNA Can Be Pulled from the Air
Amanda Heidt | Apr 7, 2021
A proof-of-concept study uses eDNA in the air to detect mammals, expanding the technique beyond aquatic sampling.
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
Amanda Heidt | Apr 5, 2021
The use of pesticides has decreased in the US by more than 40 percent since 1992, but the emergence of more-potent chemicals means that they are far more damaging to many species.
EPA Purges Trump Administration’s Science Advisors
EPA Purges Trump Administration’s Science Advisors
Lisa Winter | Apr 1, 2021
The agency says that to “reset” the advisory boards and bolster “scientific integrity,” more than 40 advisors appointed during former President Donald Trump’s tenure have been let go.
Gene Exchange Among Gut Bacteria Is Linked to Industrialization
Gene Exchange Among Gut Bacteria Is Linked to Industrialization
Catherine Offord | Mar 31, 2021
A study of human populations around the world detects differing rates of horizontal gene transfer in the microbiome depending on what kind of society those people live in.
New Models Improve Long-Term Grass Pollen Forecasts
New Models Improve Long-Term Grass Pollen Forecasts
Asher Jones | Mar 26, 2021
More-accurate predictions of the severity of an upcoming grass pollen season based on rainfall and temperature could help allergy sufferers manage their symptoms.
First Report of Horizontal Gene Transfer Between Plant and Animal
First Report of Horizontal Gene Transfer Between Plant and Animal
Emma Yasinski | Mar 25, 2021
Whiteflies overcome a toxin in plants they eat through the use of the plant’s own genetic protection, likely ferried from plant to insect millions of years ago by a virus.
Bald Eagle Killer Identified
Bald Eagle Killer Identified
Abby Olena | Mar 25, 2021
After a nearly 30-year hunt, researchers have shown that a neurotoxin generated by cyanobacteria on invasive plants is responsible for eagle and waterbird deaths from vacuolar myelinopathy.
Disease-Carrying Mosquito Species Returns to Florida
Disease-Carrying Mosquito Species Returns to Florida
Shawna Williams | Mar 17, 2021
Aedes scapularis is already established on the peninsula, and researchers predict that its population will continue to spread.
Seventeen “Extinct” European Plant Species Found Alive
Seventeen “Extinct” European Plant Species Found Alive
Katarina Zimmer | Mar 11, 2021
Plant species officially reported to be lost are in fact persevering in the wild, in seed banks or botanical gardens, or as other species now recognized to be taxonomic synonyms.
Cuttlefish Delay Gratification, a Sign of Smarts
Cuttlefish Delay Gratification, a Sign of Smarts
Asher Jones | Mar 5, 2021
The cephalopods resisted temptation for up to 130 seconds to earn their favorite food, hinting at sophisticated cognitive abilities such as planning for the future.
Australian Government Adds a Dozen Animals to Extinct List
Australian Government Adds a Dozen Animals to Extinct List
Kerry Grens | Mar 3, 2021
The species include the first reptile to be listed and the Christmas Island pipistrelle, a bat last seen in 2009.
Science with Borders: Researchers Navigate Red Tape
Science with Borders: Researchers Navigate Red Tape
Max Kozlov | Mar 1, 2021
Scientists who work with foreign biological specimens face a patchwork of permits that threaten to block their projects, with potentially harmful consequences for the ecosystems they study.
Atlantic Circulation Weakest in More Than a Millennium: Study
Atlantic Circulation Weakest in More Than a Millennium: Study
Shawna Williams | Feb 26, 2021
Researchers use proxy indicators to confirm long-term changes to the Atlantic Meridional Overturning Circulation, which have profound implications for future climate in North America and Europe.
Certain Color Varieties of a Coral Are More Protected from Bleaching
Certain Color Varieties of a Coral Are More Protected from Bleaching
Lisa Winter | Feb 25, 2021
In yellow-green and purple versions of the reef-building Acropora tenuis, the genes that code for particular fluorescent and other colorful proteins become more active in the summer, protecting symbiotic algae from thermal stress and resisting bleaching.