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“#New studies find agricultural pesticides can affect prawns and oysters” Australian tiger prawns were used in the study. Credit: Southern Cross University Researchers from the University’s National Marine Science Centre have demonstrated that imidacloprid, a neonicotinoid insecticide, can impact the feeding behavior of prawns in a laboratory environment, leading to nutritional deficiency and reduced flesh…
“#Strigolactones increase tolerance to weevils in tobacco plants” The larva of the weevil Trichobaris mucorea inside the stem of a Nicotiana attenuata plant Credit: Anna Schroll A team of researchers at the Max Planck Institute for Chemical Ecology in Jena, Germany, has discovered that strigolactones, a class of novel plant hormones, mediate the fine-tuning of…
“#Big mammals at higher risk of extinction in world’s poorest countries, study reveals” A review, which looks at 81 studies carried out between 1980 and 2020, has found that illegal hunting is causing worrying declines in the big mammal populations of protected areas across the globe, and particularly in poorer countries. Credit: Dr Colin Beale,…
“#Uncommon dolphin repeatedly spotted in northern Adriatic” Female common dolphin (Delphinus delphis) photographed in the Gulf of Trieste, northern Adriatic Sea. This dolphin was re-sighted between eastern Ionian Sea and northern Adriatic Sea, making the longest documented movement of this species worldwide. Credit: Tilen Genov, Morigenos A dolphin species considered regionally extinct in the Adriatic…
“#Understanding how birds respond to extreme weather can inform conservation efforts” Short-distance migrants like yellow-bellied sapsuckers were negatively affected by heat waves, with their numbers reduced due to unlivable environmental conditions. Credit: Jeremy Cohen When it comes to climate change, University of Wisconsin-Madison forest and wildlife ecology Professor Ben Zuckerberg says birds are the proverbial…
“#Some Indian jumping ant workers can transition to a queen-like state” An Harpegnathos dominance tournament showing two dueling pairs (bottom). Credit: Lihong Sheng A team of researchers at the University of Pennsylvania has found that some Indian jumping ant workers can transition to a queen-like state if their queen dies. In their paper published in…
“#Invasive shrubs in Northeast forests grow leaves earlier and keep them longer” Lead researcher Erynn Maynard-Bean trains Penn State undergraduate researcher Richard Novak to collect leaf phenology data during a field trip in 2016. Credit: Warren Reed/Penn State The rapid pace that invasive shrubs infiltrate forests in the northeastern United States makes scientists suspect they…
“#Safer technique reveals that corals take up seawater pollutants both directly and indirectly” Corals take up marine pollutants directly from seawater as well as through accumulation in their food. Credit: KAUST-AIMS Marine pollutants are taken up by corals directly from seawater as well as through accumulation in their food, shows research from KAUST that uses…
“#What can ants and termites teach us about fighting disease?” Social insects like this termite have evolved multiple strategies over millions of years to keep pathogens from wiping out their colonies. Perhaps it’s time we learned from them. Credit: Matthew Modoono/Northeastern University You live in a crowded underground city with everyone you know. A relative…
“#In Missouri River, sturgeon don’t look their age” Marty Hamel holds a sturgeon. Credit: University of Georgia In the lower Missouri River, a fish with prehistoric ties has learned to live hard—and, too often, die young. Now, a new study by a University of Georgia professor details the ways pallid sturgeon have adapted to less-than-ideal…