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This category contains 74 posts

The mysterious origin of the northern lights has been proven

by Jennifer Gray, CNN meteorologist The aurora borealis, or northern lights, could easily be described as Earth’s greatest light show. A phenomenon that’s exclusive to the higher latitudes has had scientists in awe and wonder for centuries.The mystery surrounding what causes the northern lights has been speculated but never proven, until now. The great aurora … Tiếp tục đọc

FDA approves ‘Game Changer’ weight loss drug, Likely first in a new era of obesity treatment

by Ed Cara On Friday, the Food and Drug Administration approved a new injectable medication for treating obesity—one shown to help people lose a significant amount of weight in clinical trials when taken regularly. The drug, called Wegovy, may just signal a new era in obesity treatment. Wegovy will be approved for chronic weight management in adults … Tiếp tục đọc

Study finds tai chi is a surprisingly effective way to shed belly fat

by Brittany A. Roston The internal Chinese martial art practice commonly referred to as tai chi may be just as good as regular aerobic and weight training exercise when it comes to shedding belly fat, according to a new study from UCLA and multiple other international universities. The study involved middle-aged and older adults who … Tiếp tục đọc

Does walking really count as cardio?

by Beth Skwarecki Walking is an easy way to get some exercise in your day, and it delivers mental health benefits as well. I’m one of the many people who added daily walks to my routine during the pandemic, and they improved my life so much I don’t intend to stop. But does walking do … Tiếp tục đọc

Everything You Wanted To Know About Contrast

by Ivor Rackham Contrast means so much more than the separation of light and dark. Understanding the different types of contrast can train our photographic eyes and improve our Images. We usually think of contrast as the difference between the darkest and brightest parts of the photo, in other words, the separation of tones. The more … Tiếp tục đọc

The world’s first ‘infinite’ plastic

By Katherine Latham The way we normally recycle plastics is a downward spiral of waste and degraded materials, but there is another option – turning plastic back into the oil it was made from. There is one man-made material that you can find in the earth, the air and in the deepest ocean trenches. It is so durable that the … Tiếp tục đọc

This bonkers tri-wing jumbo jet concept reduces fuel consumption by 70%

The high-lift wing configuration of SE Aeronautic’s new SE200 also gives it short takeoff and landing potential. By MICHAEL VERDON Airliners haven’t traditionally been a lightning rod for innovation. Commercial wide-body planes haven’t changed all that much over the last few decades. But amid an industrywide push to reduce carbon emissions, a bonkers new jumbo … Tiếp tục đọc

Cutting methane emissions is quickest way to slow global heating – UN report

Damian Carrington Environment editor Fossil fuels, cattle and rotting waste produce greenhouse gas responsible for 30% of global heating Slashing methane emissions is vital to tackling the climate crisis and rapidly curbing the extreme weather already hitting people across the world today, according to a new UN report. In 2020 there was a record rise in … Tiếp tục đọc

Why dead trees are ‘the hottest commodity on the planet’

Robinson Meyer April 27.2021 Bitcoin? Blasé. Gold? Going out of style. “The hottest commodity on the planet,” according to Dustin Jalbert, an economist at the market-research firm Fastmarkets, is lumber. In North America, lumber is typically traded in units of 1,000 board feet; builders need about 15,000 board feet, on average, to construct a single-family … Tiếp tục đọc

Why men shouldn’t look at their phone at night

Greater exposure to light-emitting devices after bedtime is linked with poor sperm quality Sperm concentration was lower in men who used phones and tablets at night Sperm’s ability to ‘swim’ was also lower in men who used these devices at night Scientists obtained sperm samples from 116 men undergoing fertility evaluation Men should think twice before … Tiếp tục đọc

Why Ships Keep Crashing

David A. Graham One hundred large vessels are lost every year because the maritime industry won’t apply the lessons of aviation. When a big jet airplane crashes, it almost always makes headlines around the world, and for good reason: Fatal passenger accidents are extremely rare. Right now, though, the eyes of the world are on the … Tiếp tục đọc

How to get power into a lunar base?

by Scott Alan Johnston, Universe Today It sounds like science fiction, but building an enormous tower several kilometers high on the lunar surface may be the best way to harness solar energy for long-term lunar exploration. Such towers would raise solar panels above obstructing geological features on the lunar surface, and expand the surface area … Tiếp tục đọc

Life after death: Scientist explains what ACTUALLY happens when you die

By Sean Martin A WORLD renowned doctor has revealed to the world what it is like to die and says the process is “peaceful” and “pleasant”. Dr Sam Parnia, director of critical care and resuscitation research at NYU Langone School of Medicine in New York City, said dying is “very comfortable”. And the doctor said … Tiếp tục đọc

Scientists unearth a consequence of solar panels in the Sahara

by Zhengyao Lu and Benjamin Smith A giant solar farm sounds perfect, right? Not quite. THE WORLD’S MOST FORBIDDING DESERTS could be the best places on Earth for harvesting solar power — the most abundant and clean source of energy we have. Deserts are spacious, relatively flat, rich in silicon – the raw material for the semiconductors from … Tiếp tục đọc

10 foods that you shouldn’t reheat in a microwave

Some 30 years ago, American kitchens received the gift of the microwave and quickly became dependent on it for lightning-fast heating. Younger generations can’t even imagine making oatmeal, hot chocolate, or popcorn without it. And yet so many of us are using the microwave incorrectly for reheated foods. Sure, we know to never zap aluminum … Tiếp tục đọc

SpaceX CEO Elon Musk talks Starship explosion: ‘We were too dumb’

By Eric Ralph Two days after a last-second failure caused Starship SN9 to smash into the ground and explode, SpaceX CEO Elon Musk has returned to Twitter with some harsh preliminary reactions. Right off the bat, in response to a question about why Starships SN8 and SN9 both attempted their unsuccessful landings with only two … Tiếp tục đọc

The Top 5 Most Produced Commercial Aircraft In History

by Joanna Bailey In the last century, thousands of commercial aircraft have been built and delivered to customers all over the world. But which are the most produced aircraft? We take a look at the most produced commercial aircraft in history with our top-five rundown. 1: The Douglas DC-3 The DC-3 is an airplane that … Tiếp tục đọc

Sunken boats. Stolen gear. Fishermen are prey as China conquers a strategic sea

By SHASHANK BENGALI, VO KIEU BAO UYEN LY SON, Vietnam —   On a warm, cloudless morning in June, a giant vessel blasted through the still waters of the South China Sea toward a wooden fishing boat painted in cerulean blue and flying the red flag of Vietnam. The veteran fishing captain cranked up the engine to flee, but … Tiếp tục đọc

The Gray-Hair Revolution Has Begun

By Deanna Pai Going gray can often feel like an emotional roller coaster. A few silver strands? No big deal. But once there’s nothing but gray growing in at your roots, things can feel a little more dire—or at least they used to. Elizabeth Collins was 13 years old when she started going gray. As any teenager … Tiếp tục đọc

More Huawei sanctions go into effect on Sept 15. What does that mean?

The US government initiated a number of additional sanctions against Huawei earlier this year, targeting the smartphone manufacturer’s ability to produce phones and associated components. Some of these sanctions go into effect from today, September 15, 2020. What does this mean for Huawei and its customers? No more flagship Kirin processors The White House issued … Tiếp tục đọc

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