Bitter substances spoil the appetite of oak moth caterpillars
Trees have a huge arsenal of ways to keep the pests that attack them under control. In the course of evolution, for example, some English oaks (Quercus robur) have developed the ability to release volatile signaling substances when attacked by oak mo.....»»
Store-bought milkweed plants can expose monarch caterpillars to harmful pesticides
Milkweed plants purchased at retail nurseries across the United States were contaminated with pesticides harmful to monarch caterpillars that rely on milkweed, a study led by researchers at the University of Nevada, Reno found. Every plant sampled wa.....»»
A new experimental study tackles the unsolved mystery of "nanobubbles"
Nanobubbles are extremely small (i.e., nanoscopic) gaseous cavities that some physicists observed in aqueous solutions, typically after specific substances were dissolved in them. While some studies reported the observation of these incredibly tiny b.....»»
Researchers discover method for preventing limescale
From cloudy glasses to deposits in dishwashers—limescale is a ubiquitous problem. An international research collaboration led by two researchers at FAU has now investigated which substances could be added to dishwasher detergent to prevent the buil.....»»
Plunger, espresso, filter? Just because your coffee is bitter doesn"t mean it"s "stronger"
Coffee—one bean with many possibilities. A big choice is how to brew it: espresso, filter, plunger, percolator, instant and more. Each method has unique equipment, timing, temperature, pressure, and coffee grind and water needs......»»
Toxic "forever chemicals" accumulate above the water table
PFAS (per- and polyfluoroalkyl substances) are water-, stain-, and heat-resistant chemicals added to products like nonstick pans, nail polish, food wrappers, and firefighting foam. They have been linked to health problems, including thyroid disease,.....»»
Scientists develop new method to assess ozone layer recovery
Researchers have developed a new method for assessing the impacts of ozone-destroying substances that threaten the recovery of the ozone layer......»»
Germany: No single cause for massive Oder River fish die-off
Several substances seem to have contributed to the massive fish die-off in the Oder River that forms much of Germany's border with Poland, a German official said Monday......»»
Using new technique, researchers make surprising discoveries about how flies" brains respond to tastes
Taste matters to fruit flies, just as it does to humans: like people, the flies tend to seek out and consume sweet-tasting foods and reject foods that taste bitter. However, little is known about how sweet and bitter tastes are represented by the bra.....»»
Chemists synthesize an antimicrobial compound from harmless chitin and selenium
RUDN chemists obtained substances with high antibacterial activity based on chitosan and selenium. One of them even outperformed common antibiotics. The results are published in Applied Biochemistry and Microbiology......»»
Graphene as "the philosopher"s stone": Turning waste into gold
Throughout history, alchemists believed in the existence of the philosopher's stone: a substance that could turn cheap substances into precious gold. Now scientists from The University of Manchester, Tsinghua University in China and the Chinese Acade.....»»
Motorola Razr 2022 has a bigger display than Samsung"s Z Flip 4
One day after Samsung launched its new foldable phones, the Samsung Galaxy Z Fold 4 and Z Flip 4, Motorola is here to spoil the party — albeit only in China. On Thursday, the company launched the Motorola Razr 2022, a new clamshell smartphone w.....»»
How do PA, ABA, and CBF pathways synergistically regulate melon cold tolerance?
Polyamines (PAs), including putrescine (Put, a diamine), spermidine (Spd, a triamine), and spermine (Spm, a tetramine), are low-molecular-weight polycations and aliphatic nitrogen-containing substances. They play important roles in the overall life c.....»»
Bacterial membrane transporter helps pathogens to hide from immune system
The transport of substances across the membrane into the cell is linked to specific membrane transport proteins. Researchers at the University Hospital Bonn (UKB) and the University of Bonn, in collaboration with an international team, have now succe.....»»
A new The Marvels plot leak might spoil the entire movie
It’s been a massive week for Marvel, with Kevin Feige unveiling far more details from the MCU roadmap than we had anticipated at Comic-Con. Marvel revealed several trailers for upcoming movies at the event, including clips that it’s not r.....»»
New bioremediation material can clean "forever chemicals"
A novel bioremediation technology for cleaning up per- and polyfluoroalkyl substances, or PFAS, chemical pollutants that threaten human health and ecosystem sustainability, has been developed by Texas A&M AgriLife researchers. The material has potent.....»»
Ant-Man and the Wasp: Quantumania plot leak might spoil all of the movie’s secrets
It might seem too early to talk about the Ant-Man and the Wasp: Quantumania plot leaks, but let’s not forget that the movie opens on February 17th. Quantumania will be the first MCU movie of 2023, opening Phase 5 of the MCU. That’s no lon.....»»
Effect of environmental contaminants on the health of pet cats
Companion animals are in close contact with human surroundings, and there is growing concern about the effects of harmful substances on the health of pet cats. This study investigated the potential health effects of organohalogen compounds (OHCs) on.....»»
Scientists identify "bottleneck" in drug delivery pathways in stem cells
Our bodies have evolved formidable barriers to protect themselves against foreign substances—from our skin, to our cells and every component within the cells, each part of our bodies has protective layers. These defenses, while essential, pose a si.....»»
Mass spectrometry imaging makes ingredients, additives and contaminants of food visible
Mass spectrometry imaging (MS imaging) provides highly precise information on the spatial distribution of substances in many areas. Researchers at the University of Bayreuth now present exemplary new applications in food analysis in the journal Food.....»»
This recalled honey is secretly filled with erectile dysfunction drugs, so stop eating it
Sexual enhancement products containing undeclared substances like Viagra are often recalled as they pose a life-threatening risk to some people. Shopaax issued a similar recall after US Food and Drug Administration (FDA) testing found that its Kingdo.....»»