Why male mosquitoes leave humans alone
Male mosquitoes won't bite you. For one thing, they cannot—males are hopelessly bad at finding humans and lack a specialized stylet to pierce your skin. But even if they could bite you, they would not want to. They refuse blood meals served to them.....»»
Engineered microbes found to repel mosquitoes
Genetically-engineered human skin bacteria can make mice less attractive to mosquitoes for 11 days. Mosquitoes transmit a host of deadly diseases, including malaria, West Nile, dengue, yellow fever, and Zika. Female mosquitoes on the hunt for a blood.....»»
Ce-doped yttria transparent ceramic: A new ultraviolet-shielding material for extreme conditions
Ultraviolet (UV) radiation can break most of the chemical bonds in organic matter, and prolonged exposure to ultraviolet light can cause significant harm to humans and objects. In response, UV-shielding materials have been developed to fulfill variou.....»»
Scientists now know when an ancient lake supported human life in the Namib Sand Sea
Desert regions in northern Africa and the Arabian Peninsula have been well studied by archaeologists as the home of early humans and as routes of migration along "green corridors.".....»»
Hybrids between two species can produce “swarms” that flourish
Humans may be part of a hybrid swarm. And we’re making more of them. Enlarge (credit: Aurich Lawson | Getty Images) There are no wild ligers. Indeed, hybrids were once thought to be rare in nature—and of little conse.....»»
Scientists convert bacteria into efficient cellulose producers
Bacteria produce materials that are of interest to humans, such as cellulose, silk and minerals. The advantage of producing bacteria in this way is that it is sustainable, takes place at room temperature and in water. A disadvantage is that the proce.....»»
Hippos don"t fly, but the massive animals can get airborne
In 1872 Leland Stanford, the founder of California's Stanford University, hired an eccentric inventor named Eadweard Muybridge to help resolve a supposed (but undocumented) bet: did a trotting horse's feet leave the ground with all four feet or not?.....»»
Mass breeding of desert locusts unlocks new food source
Mass breeding of desert locusts in a controlled environment could provide a sustainable source of protein for animals and humans as well as business opportunities in Sub-Saharan Africa, researchers say......»»
How an emerging disease in dogs is shedding light on cystic fibrosis
A canine gallbladder disease that involves the accumulation of abnormal mucus similar to that seen in human cystic fibrosis (CF) patients is caused by improper expression of the gene associated with CF in humans. The finding could have implications f.....»»
Ghosts of species past: Shedding new light on the demise of NZ"s moa can help other flightless birds
New Zealand was once home to giant flightless birds called moa. They had grown accustomed to life without predators. So the arrival of humans in the mid-13th century presented a massive—and ultimately insurmountable—challenge to their existence......»»
A cave discovered on the moon opens up new opportunities for settlement by humans
Almost 55 years after the launch of Apollo 11—the first mission to land humans on the moon—scientists have found evidence of a large cave system near the landing site of those astronauts......»»
At the Olympics, AI is watching you
New system foreshadows a future where there are too many CCTV cameras for humans to physically watch. Enlarge / Police observe the Eiffel Tower from Trocadero ahead of the Paris 2024 Olympic Games on July 22, 2024. (credit: Hect.....»»
New nanoparticles boost immune system in mice to fight melanoma and breast cancer
Vanderbilt researchers have developed a set of nanoparticles that stimulate the immune system in mice to fight cancer and may eventually do the same in humans......»»
Speak No Evil trailer: A family’s vacation becomes a living nightmare
An unsettling James McAvoy won't allow his guests to leave in the trailer for Speak No Evil, the English-language remake of the 2022 Danish horror film......»»
The Sonos Roam 2 is the sequel that doesn’t suck
With the excellent Sonos Roam 2, Sonos has managed to keep its hands to itself and leave one of its best and most affordable speakers alone......»»
When it comes to butterflies, people prefer pretty ones: That"s a problem for scientists.
Research shows humans often perceive attractive people as more intelligent, healthier, better leaders and more trustworthy. It turns out this bias extends to the insect world......»»
Biologists discover human-infecting parasite produces sterile soldiers like ants and termites
New research from scientists at UC San Diego's Scripps Institution of Oceanography finds a tiny freshwater parasite known to cause health problems in humans defends its colonies with a class of soldiers that cannot reproduce......»»
Scientists try to replicate ancient butchering methods to learn how Neanderthals ate birds
It's hard to know what Neanderthals ate: food preparation, especially when it comes to smaller items like birds, can leave few archaeological traces. But understanding their diets is critical to understanding these incredibly adaptable hominins, who.....»»
In study of police, female officers perceived more danger, were more suspicious of civilians than male colleagues
How do female police officers, who are often excluded from the traditional masculine occupational culture of policing, feel about their working environment and how the public perceives them? A new study has used survey data from officers in a large,.....»»
Systematic monitoring: Gray wolf autopsy findings since the species" comeback to Germany
At the turn of the millennium, gray wolves returned to Germany after 150 years and subsequently established territories in many parts of the country. But coexistence harbors challenges—for both humans and animals. Since 2006, almost all gray wolves.....»»
The unintended consequences of success against malaria
For decades, insecticide-treated bed nets and indoor insecticide spraying regimens have been important—and widely successful—treatments against mosquitoes that transmit malaria, a dangerous global disease. Yet for a time, these treatments also su.....»»