A team of scientists led by University of Missouri maize geneticist Paula McSteen has identified a gene essential for forming the ears in corn.
Researchers found high concentrations of mercury, arsenic, and lead, in blood samples obtained from Great white sharks in South Africa. The samples had levels that would be considered toxic to many animals. However, the study found no apparent negative consequences of these heavy metals on several health parameters measured in the sharks, including body condition, total leukocytes, and granulocyte to lymphocyte ratios, suggesting no adverse effects on their immune system.
New finding by NYU Abu Dhabi researchers published in the journal Scientific Reports
Findings will help resource managers with difficult conservation decisions
Research on coffee farm habitats can help both fowl and farmers
Scientists have developed a new weapon in the fight against a parasitic crop pest: Plant hormones
A study performed with microorganisms inhabiting floodplains, which comprises 20 percent of the whole Amazon, showed that the microbial food chain produces 10 times more CO2 than the classical food chain, mostly by decomposing organic matter
Artificial light is rightly considered a major social, cultural and economic achievement. Yet, artificial light at night is also said to pose a threat to biodiversity, especially affecting nocturnal species in metropolitan areas.
Many whales take long journeys each year, spending summers feeding in cold waters and moving to warm tropical waters to breed. One theory suggests that these long-distance migrations originated around 5 million years ago, when ocean productivity became increasingly patchy.
Barnacles that hitchhiked aboard humpback whales tell of prehistoric yearly migrations
People in many parts of the world feed birds in their backyards, often due to a desire to help wildlife or to connect with nature. In the United States alone, over 57 million households in the feed backyard birds, spending more than $4 billion annually on bird food.
Evolutionary biologists at McMaster University who study the social lives and behavior of colony spiders--some of which are docile, others aggressive-- have found that the success of their cooperative societies depends on their neighbors.
The let-7 gene is considered a fundamental regulator of developmental timing in animals - in organisms as distinct as worms and mammals. It produces a small RNA, known as the let-7 microRNA (miRNA), which can silence other genes. In the model organism C. elegans, let-7 controls the transition from a juvenile to an adult animal.
Pick right-sized rock or be eaten by cannibal neighbors