Many drugs are derived from natural products. But before natural products can be exploited, chemists must first determine their structure and stereochemistry. This can be a major challenge, particularly when the molecules cannot be crystallized and contain only few hydrogen atoms. A new NMR-based method now simplifies the analysis and produces more accurate results.

Recent research finds that repeated flooding events have a cumulative effect on the structural integrity of earthen levees, suggesting that the increase in extreme weather events associated with climate change could pose significant challenges for the nation's aging levee system.

A hitherto unknown antibiotic-resistant bacteria species, in the same family as E. coli and Salmonella spp., has been found and classified in Sweden. The proposed taxonomic name of the species -- the first of the new genus -- is Scandinavium goeteborgense, after the city of Gothenburg, Sweden, where the bacterium was isolated and the research was done.

Scientists think that current models are incomplete and that we may be underestimating crop losses. A new study shows that infested tomato plants, in their efforts to fight off caterpillars, don't adapt well to rising temperatures. This double-edged sword worsens their productivity.

Four new species of tropical sharks that use their fins to walk are causing a stir in waters off northern Australia and New Guinea.

Scientists have reported the fabrication and use of single crystal copper-nickel alloy foil substrates for the growth of large-area, single crystal bilayer and trilayer graphene films.

A recent study suggests that maternal depression in the postpartum period, and even beyond, is associated with the development of atopic dermatitis throughout childhood and adolescence.

Scientific and public appreciation for microbes -- and the key role their communal actions play in environmental health, food production, and human wellness -- has grown in recent years. While initially considered to be static, uniform entities, microbial communities are highly complex and contain internal chemical swapfests that are in constant flux. Researchers have demonstrated that the...

Have I got a fish story for you. Any angler beginning a yarn like that usually ends up spinning a tall tale, an exaggeration or bald-faced lie. Researchers, however, have demonstrated that anglers can produce accurate and complex environmental models similar to those of trained scientists.

For decades, there's been a widespread assumption among people with an interest in sports-related injury that youth football players are more vulnerable to concussion and other head injuries than their older, bigger counterparts.

A new technique to study the properties of molecules and materials on a quantum simulator has been discovered.

Genetic research in zebrafish has surprised the researchers behind the study. The results have the potential to change the prevalent perception of the cardiac disorder atrial fibrillation.

A new method to produce vaccines that have a longer shelf-life, are cheaper and can be stored without the need for cooling has been developed.

A novel composite film -- created by the bonding of an antimicrobial layer to conventional, clear polyethylene plastic typically used to vacuum-package foods such as meat and fish -- could help to decrease foodborne illness outbreaks, according to researchers.

Opposing desires to congregate and maintain some personal space drive fruit flies to form orderly clusters, according to a new study.

Cultural differences play a pivotal role in how people in different parts of the world perceive when it is acceptable to sacrifice one person to save a larger group, new research has shown.

A study now suggests a comprehensive solution package for feeding 10 billion people within our planet's environmental boundaries. Supplying a sufficient and healthy diet for every person whilst keeping our biosphere largely intact will require no less than a technological and socio-cultural U-turn. It includes adopting radically different ways of farming, reduction of food waste, and dietary...

Researchers have discovered ways to boost CAR T-cell therapy.

About 800,000 years ago, the giant straight-tusked elephant Palaeoloxodon migrated out of Africa and became widespread across Europe and Asia.

Researchers have engineered an improved biological tool that controls calcium (Ca2+) levels in the brain via blue light. This monster-OptoSTIM1 causes a change in mice's fear learning behavior without the need of optic fiber implants in the brain.

New technologies are needed to combat climate change. Now bioinformatics specialists might have found a way of enabling plants to store more carbon dioxide.

Medicines made from coiled protein fragments could provide a new handle on hard-to-treat diseases like cancer, but they are difficult to design. But a new technique could change that.

Despite reports that global emissions of the potent greenhouse gas were almost eliminated in 2017, an international team of scientists has found atmospheric levels growing at record values.

Unlike cuprates -- the first known class of unconventional superconductors -- the new nickelates are inherently metallic, sharing electrons with intervening layers of rare earth material to create a 3D metallic state. This is an entirely new type of ground state for transition metal oxides such as cuprates and nickelates, researchers said. It opens new directions for experiments and theoretical...