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ScienceDaily: Plants & Animals News |
| A link between early maturation and better aerobic performance identified in juvenile salmon Posted: 28 Jan 2022 07:07 AM PST A study indicates that early sexual maturation and high aerobic performance in salmon have a genetic link that is already evident in juvenile salmon. |
| Even light drinking can be harmful to health Posted: 28 Jan 2022 07:07 AM PST Drinking less than the UK's recommended limit of 14 units of alcohol per week still increases the risk of cardiovascular issues such as heart and cerebrovascular disease. |
| Rise of termite clone queendoms offers clue to curb invasions Posted: 28 Jan 2022 05:58 AM PST The scientists who discovered all-female termite colonies have now ascertained how they came to exist. In doing so, they revealed how these powerful females potentially threaten other termites, as well as homeowners. |
| New species of ‘incredibly rare’ insect discovered Posted: 27 Jan 2022 02:26 PM PST A scientist has discovered a new species that belongs to a group of insects so rare that its closest relative was last seen in 1969. The new species of leafhopper was discovered during field work in the rainforest of western Uganda. |
| Look who’s talking now: The fishes! Posted: 27 Jan 2022 02:26 PM PST A new study finds that fish are far more likely to communicate with sound than generally thought. |
| Researchers find tradeoff between water quality and emissions on the farm Posted: 27 Jan 2022 02:26 PM PST With water quality guidelines compelling more farmers to act on nitrogen loss, cover crops and split nitrogen applications are becoming more common in the Midwest. But new research shows these conservation practices may not provide environmental benefits across the board. |
| Coral skeleton formation rate determines resilience to acidifying oceans Posted: 27 Jan 2022 02:26 PM PST A new study has implications for predicting coral reef survival and developing mitigation strategies against having their bony skeletons weakened by ocean acidification. |
| 'Heartburn' helps bacteria to survive antibiotic treatment Posted: 27 Jan 2022 11:16 AM PST Even at high concentrations, antibiotics won't kill all bacteria. There are always a few survivors, even in a bacterial population that is genetically identical. Scientists have discovered that these survivors share a common feature: they accumulate acid in their cells. |
| Bee appearance and behavior may be related, genetic study reveals Posted: 27 Jan 2022 11:16 AM PST The findings will be used to help researchers determine how traits, characteristics and color impact behavior. |
| What wintering squirrels can teach astronauts Posted: 27 Jan 2022 11:15 AM PST The unique way that ground squirrels burn almost no energy when they hibernate -- with no loss of muscle mass -- has implications for space travel, biologists find. |
| Data from thousands of cameras confirms protected areas promote mammal diversity Posted: 27 Jan 2022 09:01 AM PST Researchers at UBC's faculty of forestry analyzed data from a global data set drawing from 8,671 camera trap stations spanning four continents. They found more mammal diversity in survey areas where habitat had a protected designation -- compared to forests and other wilderness areas that lacked that designation. |
| Plant pathologists collaborate to share knowledge on a growing threat to corn production Posted: 27 Jan 2022 08:43 AM PST A growing threat to corn around the world, tar spot has had a significant impact on United States corn production. To combat this growing threat, plant pathologists have compiled a recovery plan that reviews the current knowledge and the future needs of tar spot, with the intention of mitigating the disease's impact. |
| A mathematical secret of lizard camouflage Posted: 27 Jan 2022 08:43 AM PST The shape-shifting clouds of starling birds, the organization of neural networks or the structure of an anthill: nature is full of complex systems whose behaviors can be modeled using mathematical tools. The same is true for the labyrinthine patterns formed by the green or black scales of the ocellated lizard. A multidisciplinary team explains, thanks to a very simple mathematical equation, the complexity of the system that generates these patterns. This discovery contributes to a better understanding of the evolution of skin color patterns: the process allows for many different locations of green and black scales but always leads to an optimal pattern for the animal survival. |
| Gene mutation that makes dogs small existed in ancient wolves Posted: 27 Jan 2022 08:43 AM PST Popular belief has been that small dogs, such as Pomeranians and Chihuahuas, exist because once dogs were domesticated, humans wanted small, cute companions. But researchers now identify a genetic mutation in a growth hormone-regulating gene that corresponds to small body size in dogs that was present in wolves over 50,000 years ago, long before domestication. |
| Posted: 27 Jan 2022 07:42 AM PST Beautiful 'supertramp' birds in Southeast Asia are providing unique insights into how evolution is linked to flight ability and competition. New research testing decades-old theories has confirmed that the isolating effects of islands impact the evolution of even the species most accomplished at colonizing them -- and in some surprising ways. Among the eye-opening findings is the discovery that these birds settle down more readily than would be expected -- once they have colonized an island they tend to stay there rather than searching for others. |
| Posted: 27 Jan 2022 07:42 AM PST A new study in mice showed that an unhealthy vaginal microbiome in pregnant mothers in combination with an unhealthy diet contributed to increased pup deaths and altered development in the surviving babies. The findings suggest that changes in a mother's diet, such as more fruits and vegetables, may counteract unhealthy microbiome effects in disadvantaged groups. |
| Zoo enrichment could go further Posted: 26 Jan 2022 04:53 PM PST Zoos and aquariums could improve the lives of a wider range of their animals, new research suggests. |
| Flavonoids may reduce mortality risk for people with Parkinson’s Disease Posted: 26 Jan 2022 01:55 PM PST People with Parkinson's Disease who eat more flavonoids -- compounds found in richly colored foods like berries, cocoa and red wine -- may have a lower mortality risk than those who don't, according to a new study. |
| Urinary metabolic 'signatures' predict diet quality and metabolic health in European children Posted: 26 Jan 2022 11:42 AM PST Researchers have identified metabolic 'signatures' in urine that can determine the quality of diets in children across Europe and predict their metabolic health. |
| Biologists found hundreds of plant viruses hitchhiking on pollen Posted: 26 Jan 2022 09:24 AM PST Biologists found hundreds of virus species traveling on pollen grains. The results carry lessons for agriculture and even backyard beekeepers. |
| Zoologist solves the 100-year-old mystery of the floating phantom midge Posted: 26 Jan 2022 06:04 AM PST The freshwater aquatic larvae of the Chaoborus midge are the world's only truly planktonic insects, regulating their buoyancy using two pairs of internal air-filled sacs, one in the thorax and the other in the seventh abdominal segment. How these insects control the volume of their air-sacs has remained a mystery. Here we reveal that bands of resilin in the air-sac's wall are responsible for the changes in volume. |
| Finding the tipping point for coastal wetlands Posted: 25 Jan 2022 02:32 PM PST Much of North Carolina's Albemarle-Pamlico Peninsula lies just a few feet above sea level, which exposes it to ocean water driven inland by storms and rising seas. The salt deposits left behind build up year after year, until eventually they become too much for some plants to cope with. Researchers have identified a 'tipping point' where even tiny changes in salinity can set off disproportionately large changes in the plants that live there. |
| Scientists discover link between gut microbiota and chronic inflammatory diseases like arthritis Posted: 25 Jan 2022 09:40 AM PST An international research team has established a link between gut microbiota and chronic inflammatory diseases such as arthritis. The team has discovered that a protein naturally present in the gut acts on the microbiota and causes the formation of molecules that exacerbate the symptoms of these diseases. |
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