Category: Science

Americans are getting more ZZZZs

Americans are getting more ZZZZs

Although more than one in three Americans still don’t get enough sleep, a new analysis shows first signs of success in the fight for more shut eye. …read more

Long-term warming trend continued in 2017: NASA, NOAA

Long-term warming trend continued in 2017: NASA, NOAA

Continuing the planet’s long-term warming trend, globally averaged temperatures in 2017 were 1.62 degrees Fahrenheit (0.90 degrees Celsius) warmer than the 1951 to 1980 mean, according to scientists. …read more

Why animals diversified on Earth: Cancer research provides clues

Why animals diversified on Earth: Cancer research provides clues

Can tumors teach us about animal evolution on Earth? Researchers believe so and now present a novel hypothesis of why animal diversity increased dramatically on Earth about half a billion years ago. A biological innovation may have been key. …read more

20 percent more trees in megacities would mean cleaner air and water, lower carbon and energy use

20 percent more trees in megacities would mean cleaner air and water, lower carbon and energy use

Planting 20 percent more trees in our megacities would double the benefits of urban forests, like pollution reduction, carbon sequestration and energy reduction. The authors of the study say city planners, residents and other stakeholders should start looking within cities for natural resources and conserve the nature in our urban areas by planting more trees. …read more

First evidence of sub-Saharan Africa glassmaking

First evidence of sub-Saharan Africa glassmaking

Scholars have found the first direct evidence that glass was produced in sub-Saharan Africa centuries before the arrival of Europeans, a finding that the researchers said represents a ‘new chapter in the history of glass technology.’ …read more

Reminding people about vaccinations can increase rates of immunization

Reminding people about vaccinations can increase rates of immunization

Rates of immunization against infectious diseases in children and adults are improving, but under-vaccination remains a problem that results in vaccine-preventable deaths and illnesses. …read more

Paleolithic diet healthier for overweight women

Paleolithic diet healthier for overweight women

Overweight women after menopause who eat a Paleolithic diet can maintain weight loss in the long term. The levels of risk factors of type 2 diabetes and cardiovascular diseases also decrease. …read more

Large volcanic island flank collapses trigger catastrophic eruptions

Large volcanic island flank collapses trigger catastrophic eruptions

New research not only implies a link between catastrophic volcanic eruptions and landslides, but also suggests that landslides are the trigger. At the heart of Tenerife and standing almost 4 km high, Teide is one of the largest volcanoes on Earth. Over a period of several hundred thousand years, the previous incarnations of Teide have undergone a repeated cycle of very large eruptions, collapse, and regrowth. …read more

Global analysis reveals how sharks travel the oceans to find food

Global analysis reveals how sharks travel the oceans to find food

You’ve heard of “you are what you eat” – this research shows that for sharks, the more relevant phrase is “you are where you ate.” …read more

Bovine tuberculosis shows genetic diversity throughout Africa

Bovine tuberculosis shows genetic diversity throughout Africa

Bovine tuberculosis (BTB) is an infectious disease caused by Mycobacterium bovis that affects cattle as well as other animals and humans. Now, by combining genotyping M. bovis samples from cows across African countries, researchers have been able to study the diversity and evolution of the disease. …read more