Maternal stress during pregnancy may shorten lifespans of male lizard offspring
Mother fence lizards that experience stress during pregnancy give birth to male offspring with shortened telomeres, or bits of non-coding DNA that cap the ends of chromosomes, according to a Penn State-led study. Shorter telomeres are associated with.....»»
Study: Gardening good for the soul, until the pressure grows
What if one of the things known for helping and reducing stress and anxiety, becomes such a commitment, it leads to burn-out?.....»»
Men become less fertile with age, but the same isn"t true for all animals: Study
We take it for granted that humans find it more difficult to conceive as they grow older. But our recent study, which analyzed data from 157 animal species, found that male reproductive aging seems to be a lot less common in other male animals......»»
The Oura Ring showed me how months of stress destroyed my sleep
The Oura Ring showed me how stress ruined my sleep, and prompted me to take action. It also made me realize too much data isn't always a good thing......»»
Charlotte, a stingray with no male companion, is pregnant in her mountain aquarium
Charlotte, a rust-colored stingray the size of a serving platter, has spent much of her life gliding around the confines of a storefront aquarium in North Carolina's Appalachian Mountains......»»
Why do flies fall in love? Researchers tease out the signals behind fruit fly courtship songs
Like a Valentine's Day dinner or a box of chocolates, male fruit flies have their own rituals for wooing a potential mate......»»
"I"m watching you" behavior produces racial disparities in school discipline, study suggests
During the 2020–21 school year, the number of Black male students involved in disciplinary outcomes at school was disproportionately high compared to their enrollment numbers in kindergarten through grade 12, according to a report the U.S. Departme.....»»
Proposed Virginia legislation aims to limit buy-sell approval time
The head of the Virginia Automobile Dealers Association said this legislation, if signed into law, will help to shorten sometimes lengthy reviews by automakers to object or approve a proposed buy-sell deal......»»
New research discovers adult Komodo teeth are surprisingly similar to those of theropod dinosaurs
Kilat, the largest living lizard at the Toronto Metro Zoo, like other members of his species (Varanus komodoensis), truly deserves to be called the Komodo dragon. His impressive size and the way he looks at you and tracks your every move makes you re.....»»
How air pollution harms pollination
Pollination, the transfer of pollen grains from the male to the female organs, is an essential part of reproduction for the majority of plants. For many of these plants, this transfer is carried out by insects in search of food—this is known as ins.....»»
Metals could reveal corals" past lives
Coral reefs worldwide face dire threats from ocean warming, increasing acidification, pollution, and other stressors. Understanding how corals respond to stress and how they evolved along with their environments is critical for designing intervention.....»»
Fruit flies give further insight into evolution of male genitalia driven by sexual selection
Fruit flies have provided scientists with new insight into the genetic basis for the rapid evolution of male external genitalia driven by sexual selection......»»
Study finds small, long-nosed dogs live the longest
Small, long-nosed (or dolichocephalic) dog breeds such as Whippets have the highest life expectancies in the UK, while male dogs from medium-sized flat-faced (or brachycephalic) breeds such as English Bulldogs have the lowest. The results, published.....»»
Locusts" sense of smell boosted with custom-made nanoparticles
Our sensory systems are highly adaptable. A person who cannot see after turning off a light in the night slowly achieves superior power to see even small objects. Women often attain a heightened sense of smell during pregnancy. How can the same senso.....»»
Scientists identify potential new method for diagnosing male infertility
Researchers have discovered a new phenomenon where sperm from mice can induce non-reproductive cells from hamsters to fuse and form a syncytia—a cell with multiple nuclei......»»
Study: The more people know about pregnancy, the more likely they are to support access to abortion
A new study on public attitudes toward abortion laws finds that the more people know about pregnancy, the more likely they are to oppose legislation that limits women's access to abortions—regardless of political ideology. The study also found that.....»»
Endosomal stress, a newly defined organelle stress, induces inflammation via ubiquitin signaling
The endosome is an essential organelle located at the center of membrane traffic and mainly sorts plasma membrane proteins internalized by endocytosis in cooperation with ubiquitination, especially lysine-63-linked polyubiquitin chains (K63 ubiquitin.....»»
One billion people left dangerously exposed to heat stress by gaps in climate monitoring
2023 was the hottest year on record. Humidity is rising too. Heat and humidity are a dangerous combination, threatening all aspects of our lives and livelihoods......»»
How winter storms stress San Luis Obispo County elephant seals in the midst of birthing season
The late December morning rain left droplets on Christine Heinrichs' glasses as she stood among a throng of tourists and watched dozens of elephant seals tussle and sleep on a beach just south of the Piedras Blancas Light Station......»»
Researchers discover rare phages that attack dormant bacteria
In nature, most bacteria live on the bare minimum. If they experience nutrient deficiency or stress, they shut down their metabolism in a controlled manner and go into a resting state. In this stand-by mode, certain metabolic processes still take pla.....»»
Repeated sexual failures cause social stress in fruit flies
Repeated failures to reproduce make fruit flies stressed and frustrated, which in turn makes them less resilient to other types of stress, Julia Ryvkin at Bar-Ilan University and colleagues report in PLOS Genetics......»»