It’s a cosmic miracle that life on Earth’s lasted this long

Earth’s deserts are more inhabitable than entire planets and exoplanets. (Cerqueira/Unsplash/) Toby Tyrrell is a professor of Earth System Science at the University of Southampton. This story originally featured on The Conversation. It took evolution 3 or 4 billion years to produce Homo sapiens. If the climate had completely failed just once in that time […]

The best mattress protectors for ensuring your bed lasts a long time

Sleep better knowing your mattress is safe. (Ty Carlson via Unsplash/) A good night’s sleep is one of the healthiest choices we can make to stay feeling and looking good. This starts with deciding on the type of mattress you want, an investment which can be expensive. For a fraction of the cost of the […]

The best humidifier: Fight dry air (and a dry nose) all winter long

Here are some of the most important things to consider when looking for a new humidifier. (Jon’Nathon Stebbe via Unsplash/) The Environmental Protection Agency recommends that indoor air humidity levels are kept between 30 and 50 percent for optimal health. Dry air, whether indoor or outdoor, is a recipe for a host of potential inconveniences […]

COVID-19 immunity could be long term

Many people who catch COVID-19 may develop long-lasting immunity to the new virus, SARS-CoV-2. (Pixaba/) People who have recovered from COVID-19 mount an immune response that persists for at least eight months, scientists reported on January 6 in the journal Science. Researchers detected multiple components of the immune system specific to defending against the novel […]

Gargantuan chunk of ‘cosmic web’ discovered. It’s 50 million light-years long.

The map of our universe looks astonishingly like a road map of the United States. Big, bustling clusters of galaxies swell like brightly lit cities, while long, sparse highways of gas connect them in a giant molecular web. Beyond this web: dark, empty space. (Nowhere worth stopping for a selfie, anyway.) Astronomers believe this cosmic […]

China’s new Long March-8 rocket makes first flight

The Long March-8 series is part of China’s endeavours to develop reusable rockets, potentially lowering mission costs and paving the way towards commercial launch services China’s new carrier rocket, the Long March-8, made its maiden flight on Tuesday, the country’s space agency said, the first phase of a strategy to deploy launch vehicles that can […]

How Long Will Working From Home Carry On For?

2020 was the year when society as we knew it was turned upside down, with workers ejected from the office and sent home. But it wasn’t a vacation; for the first time in history the whole country was asked to do their job from home, wherever possible. But this wasn’t a situation confined to the […]

High blood pressure at any age, no matter how long you have it, may speed cognitive decline

DALLAS, Dec. 14, 2020 — High blood pressure appears to accelerate a decline in cognitive performance in middle-aged and older adults, according to new research published today in Hypertension, an American Heart Association journal. Nearly half of American adults have high blood pressure or hypertension. Having high blood pressure is a risk factor for cognitive […]

How long can human embryos stay frozen?

On Oct. 26, a healthy baby girl was born from an embryo that had been frozen for 27 years, a possible record for the longest a human embryo has stayed frozen before being born, according to recent news reports. Molly Everette Gibson was born from an embryo frozen in 1992 and stored in a cryogenic […]

Harm prevention policies must take the long view, say experts — ScienceDaily

The evidence for the harmful effects of alcohol on brain health is compelling, but now experts have pin-pointed three key time periods in life when the effects of alcohol are likely to be at their greatest. Writing in The BMJ today, researchers in Australia and the UK say evidence suggests three periods of dynamic brain […]