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ScienceDaily: Plants & Animals News |
| New understanding of plant nutrient response could improve fertilizer management strategies Posted: 10 Dec 2021 09:18 AM PST Green is a color that is almost universally associated with plants -- for good reason. The green pigment chlorophyll is essential to plants' ability to generate food; but what happens if they don't have enough of it? New work reveals the complex, interdependent nutrient responses underpinning a potentially deadly, low-chlorophyll state called chlorosis that's associated with an anemic, yellow appearance. It could usher in more environmentally friendly agricultural practices -- using less fertilizer and fewer water resources. |
| Dinosaurs’ last spring: Study pinpoints timing of Chicxulub asteroid impact Posted: 10 Dec 2021 07:31 AM PST Scientists conclusively confirm the time year of the catastrophic Chicxulub asteroid, responsible for the extinction of dinosaurs and 75 percent of life on Earth 66 million years ago. Springtime, the season of new beginnings, ended the 165-million-year reign of dinosaurs and changed the course of evolution on Earth. |
| An easy relationship between a beetle and its yeast symbiont Posted: 10 Dec 2021 07:31 AM PST Lizard beetles farm yeast inside bamboo stems for their developing larvae to eat. Scientists have now found that, contrary to other insect-fungus relationships, the job of the yeast in this one does not involve digesting the complex sugars in bamboo's woody tissues for its host. |
| First structure of human protein complex with 'license to kill' Posted: 10 Dec 2021 07:31 AM PST A team of researchers has for the first time visualized a human cell death complex linked to autoimmune and inflammatory conditions, such as inflammatory bowel disease, and injuries associated with excessive cell death. |
| Posted: 10 Dec 2021 07:31 AM PST A study measured arterial stiffness in women from wide age range. Increased stiffness is an independent risk factor for cardiovascular disease. Age was a strong determinant of arterial stiffness. Indicative of the role of hormones, menstrual cycle phase, contraceptive pill phase and menopausal state were also associated with arterial stiffness. |
| New phenomenon: Forest mammals eavesdrop on messy monkeys Posted: 10 Dec 2021 07:31 AM PST Researchers have discovered a unique phenomenon among forest mammals -- eavesdropping. Their study demonstrates that various animal species depend on one another in more ways than ever imagined when it comes to finding food. Consequently, one species' disappearance from a habitat can have major consequences. |
| Dinosaurs and amber: A new window to the Cretaceous world from 110 million years ago Posted: 10 Dec 2021 07:31 AM PST New findings of amber in the site of Ariño in Teruel (Spain) have enabled the reconstruction of a swampy paleoenvironment with a rich coastal resin forest from 110 million years ago, from the era of dinosaurs. This place featured conifers and understories of gymnosperms and ferns, and flower plants, where insects, turtles, crocodiles, mammals and dinosaurs such as the species Proa valdearinnoensis and Europelta carbonensis lived. |
| Doctoral student finds alternative cell option for organs-on-chips Posted: 10 Dec 2021 07:30 AM PST Organ-on-a-chip technology has provided a push to discover new drugs for a variety of rare and ignored diseases for which current models either don't exist or lack precision. In particular, these platforms can include the cells of a patient, resulting in patient-specific discovery. |
| New biosensors shine a light on CRISPR gene editing Posted: 10 Dec 2021 07:29 AM PST Detecting the activity of CRISPR gene editing tools in organisms with the naked eye and an ultraviolet flashlight is now possible using new technology. |
| A step toward 'living biotherapeutics' Posted: 10 Dec 2021 06:30 AM PST Chemical engineers have developed a protective coating that helps anaerobic microbes survive the manufacturing process, making it potentially easier to use them to treat gastrointestinal disease. |
| Differentiating friends from foes in the fungal root microbiome Posted: 10 Dec 2021 06:28 AM PST A collaborative project has shed light on the fungal genetic determinants that explain why some fungi from the root microbiome can colonize roots and cause disease more efficiently than others. |
| Finding the recipe for a larger, greener global rice bowl Posted: 09 Dec 2021 05:17 PM PST A global assessment assessed rice yields and efficiency in 32 rice cropping systems. The study concluded that there is still substantial room to increase rice production while reducing the negative environmental impacts. A leading agronomist describes the study as 'the most comprehensive global evaluation of production systems for a major staple crop, (one that) will set the standard for future global comparison.' |
| How well are alternative feedstuffs received by the end consumer? Posted: 08 Dec 2021 03:25 PM PST Despite shifts towards vegan and vegetarian diets in Western cultures, demand for animal protein persists. Alternative protein sources are required to nourish the growing world population without compromising on sustainability. Researchers investigated consumer preferences of alternative feedstuffs. Specifically, the researchers looked at the effect of information regarding algae and insects in the food chain. |
| Bird singing contests: A clash of culture and conservation Posted: 08 Dec 2021 08:03 AM PST For thousands of years, people have been keeping wild birds. It is often a deeply ingrained part of the culture. An examination of the scientific literature on this topic finds that bird-singing contests currently take place in at least 22 countries using at least 36 species of birds. |
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