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.....»»
New candidate genes for human male infertility found by analyzing gorillas" unusual reproductive system
Despite their formidable bodies, male gorillas are lacking in one particular area of their anatomy......»»
How long do MacBooks last? Here’s when you’ll need to buy again
Curious about how long MacBooks last? Here’s everything you need to know about MacBook lifespans, loss of support for older models, and other handy information......»»
Fetal cells can be traced back to the first day of embryonic development
Though more than 8 million babies have been born through in vitro fertilization (IVF), 70% of IVF implantations fail. As IVF is becoming a more common route to pregnancy in cases of infertility, there is a need for better understanding of embryonic d.....»»
Expelling students for bad behavior seems like the obvious solution, but is it really a good idea?
Two male students have been expelled from a Melbourne private school for their involvement in a list ranking female students......»»
Variety in building block softness makes for softer amorphous materials
Scientists from Tokyo Metropolitan University have created a new model for disordered materials to study how amorphous materials resist stress. They treated groups of atoms and molecules as squishy spheres with varying softness......»»
Male or female? Scientists discover the genetic mechanism that determines sex development in butterflies
Scientists of the Biology Centre, Czech Academy of Sciences, in collaboration with University of Liverpool have found the genetic mechanism that determines whether individuals of the butterfly species Bicyclus anynana become male or female......»»
Why do male chicks play more than females? Study finds answers in distant ancestor
Play is widespread, but far from ubiquitous, across the animal kingdom. Especially common in mammals, play is also known to occur in taxa as diverse as birds, fish, octopuses, and even insects. But what is its function, given that natural selection n.....»»
Opinion: Time for Scotland to follow the rest of the UK and punish violent partners who cause pregnancy loss
On May 2, the Scottish Parliament will debate whether it should be a crime in Scotland to cause the loss of a partner's or former partner's pregnancy through violence or abuse......»»
Alpacas found to be the only mammal to directly inseminate the uterus
A pair of biologists from Mount Holyoke College, working with a colleague from North American Camelid Studies Program, the Nunoa Project, has found that the male alpaca thrusts his penis all the way into the uterus of the female during mating, making.....»»
Genetic adaptations have impacted the blood compositions of two populations from Papua New Guinea, finds study
Papua New Guinea (PNG) has a wide range of environments, each presenting unique challenges to human survival. Highlanders and lowlanders of PNG are striking examples of populations facing distinct environmental stress. Whereas the highlanders encount.....»»
Aggressive wall lizard provides clues to understanding evolution
Body shape, color and behavior often evolve together as species adapt to their environment. Researchers from Lund University in Sweden have studied this phenomenon in a specific type of large, bright green and aggressive common wall lizard found near.....»»
Researchers establish a high-throughput multiscale evaluation method for thermal stress in thermal barrier coatings
Thermal barrier coatings (TBCs) are widely used in gas turbine engines to obtain elevated working temperatures and improve engine efficiency. The phase transition of the ceramic layer is accompanied by a large volume difference, causing the concentra.....»»
The UK"s Climate Change Act, once the envy of the world, faces a stress test
The Scottish government's decision to row back on its 2030 climate pledge illustrates the crux of any target: it's easy to set one with a big political flourish, but harder to follow through with a careful plan to achieve it......»»
Arizona"s 1864 abortion law was made in a women"s rights desert—here"s what life was like then
Dora Juhl, a 15-year-old teenager, walked into Dr. Rosa Goodrich Boido's obstetrical practice in Phoenix in January 1918. Juhl wanted to end her pregnancy......»»
Researchers discover mechanism regulating bud dormancy release in tree peony
In perennial woody plants, bud endodormancy is crucial for survival under adverse environmental conditions in winter, such as low temperature (LT) and dehydration stress. To break bud dormancy is essential for the resumption of bud growth and floweri.....»»
Startup financing gender gaps greater in societies where women are more empowered: Study
Commercial bankers provide capital to fund the operations and growth of businesses. However, as these lenders evaluate entrepreneurs who apply for loans, gender bias leads to women being denied more often than their male counterparts......»»
How studying trends in human lifespans can measure progress in addressing inequality
People are living longer lives compared to previous generations but, over the last few decades, there has been a hidden shift—they are passing away at increasingly similar ages......»»
Europe suffered record number of "extreme heat stress" days in 2023: Monitors
Europe endured a record number of "extreme heat stress" days in 2023, two leading climate monitors said Monday, underscoring the threat of increasingly deadly summers across the continent......»»
Wild turkey numbers are falling in some parts of the US—the main reason may be habitat loss
Birdsong is a welcome sign of spring, but robins and cardinals aren't the only birds showing off for breeding season. In many parts of North America, you're likely to encounter male wild turkeys, puffed up like beach balls and with their tails fanned.....»»
Respiratory stress response that stunts temperate fish also affects coral reef fish
Coral reef fish, like the fish in other marine and freshwater ecosystems, are likely to reach smaller maximum sizes and start reproducing earlier with smaller and fewer eggs as climate change continues to warm up the ocean......»»