Chelsy Eid

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New blood test spots cancer before symptoms appear

When it comes to treating cancer, early detection makes all the difference. And researchers are firmly on the right track, with a new blood test that …

What It's Like to Become a NASA Astronaut: 10 Surprising Facts

Photo Credit: NASA<p>Slide 1 of 21<p>Surprising Facts<p>Being an astronaut is a tremendous commitment. Astronaut candidates — who tend to be selected in their …

I’m a doctor. When my mother was dying, I wish her doctors had told me the truth.

Sometimes it feels like the great unspoken secret between doctors and nurses. The words that we dare not utter to patients and families. Perhaps it is our hope that we’re wrong. Perhaps we dread providing unwanted news. Perhaps we don’t want to face reality or extinguish our patients’ hope.<p>As a …

Chemotherapy

These New Quantum Materials Can Conduct Electricity at Nearly The Speed of Light

Beating graphene at its own game.<p>Physicists have been testing the properties of new 2D quantum materials that could usurp graphene as the 'wonder …

Brain hemorrhage: Causes, symptoms, and treatments

A brain hemorrhage refers to bleeding in the brain. This medical condition is also known as a brain bleed or an intracranial hemorrhage.<p>The brain is …

Hypnosis may still be veiled in mystery – but we are starting to uncover its scientific basis

Some argue that hypnosis is just a trick. Others, however, see it as bordering on the paranormal – mysteriously transforming people into mindless …

Hypnosis

New Hydrogel That Mimics Cartilage Could Make Knee Repairs Easier

The knees are always the first to go.<p>A new cartilage-like hydrogel material could make the job of repairing knees much easier, say scientists, as …

Scientists Say A ‘Mirror Universe’ Where Time Moves Backwards May Exist

Although we experience time in one direction—we all get older, we have records of the past but not the future—there’s nothing in the laws of physics …

Physics

Gullies Streak Down Mars Crater in Stunning NASA Photo

Gullies streak down the slopes of a frosty Red Planet crater in a gorgeous new photo by NASA's Mars Reconnaissance Orbiter (MRO).<p>MRO captured the …

Physicists create mind-bending 'negative mass' that accelerates backwards and could help explain black holes

Scientists have created a fluid with "negative mass" which they claim can be used to explore some of the more challenging concepts of the cosmos.<p>Washington State University physicists explained that this mass, unlike every physical object in the world we know, accelerates backwards when pushed.<p>The …

Physics

Breast cancer: Anatomy and early warning signs

Certain changes in the breast may be early signs of breast cancer. Knowing what these changes look like can help people access the right treatment, …

Cancer

The Next Earth May Be Even Closer Than We Imagined

Discovering Proxima B<p>In August 2016, researchers discovered a potentially habitable planet about the same size as Earth orbiting the closest stellar …

Proxima Centauri

Genetic tests for breast cancer underused, misunderstood, say researchers

I wrote recently about the dearth of genetic testing and counseling for women with breast cancer. Now the same trio of researchers — Stanford cancer …

Cancer

Survey shows why doctors choose medicine and the challenges they face

She was just 15 when it happened. She started having trouble breathing when she ran cross-country, and she felt intense itching on her body, especially her lower limbs. She would stay up all night because of it, but she wasn't really worried, just annoyed.<p>After visits to different skin doctors, an …

Medical Journals

Scientists halt growth of colon, stomach cancers

Australian researchers have discovered a "revolutionary" new way to stop the growth of colon and stomach cancers, which could lead to a new cancer-fighting drug within three years.<p>Matthias Ernst at the Olivia Newton-John Cancer Research Institute explains that white blood cells called macrophages …

Cancer

Physicists Say They've Created a Fluid With 'Negative Mass'

Holy crap.<p>Researchers in the US say they've created a fluid with negative mass in the lab... which is exactly as mind-bending as it sounds.<p>What it …

Should women with breast cancer opt for double mastectomies?

This year alone, the American Cancer Society estimates that doctors will find more than 300,000 new cases of breast cancer in the United States. A diagnosis can make patients anxious about upcoming treatments and their future overall. This anxiety and lack of thorough discussions between patients …

Cancer

Astronomers just turned on a planet-size telescope to take a picture of a black hole

Every image you’ve seen of a black hole is an illustration. A giant “virtual” telescope may change that.<p>The closest astronomers have come to directly “seeing” a black hole happened last year, when the LIGO observatory detected the spacetime-warping gravitational waves radiating from a pair of black …

Pneumonia: 5 things to know

<b>(CNN) —</b> Your chest is tight, and at times, it's hard to catch your breath. You wheeze or cough so hard that your sides soon ache.<p>You're so tired, it's as if all the blood has drained from your body. A fever spikes. You get chills and begin to shake.<p>These are all signs of pneumonia, a serious lung …

Public Health

Should We Be Preparing for the Explosion of Betelgeuse Supernova?

Betelgeuse is a bright red supergiant situated in the Orion constellation that could go supernova at any time. Researchers predict that at a distance …

Astrophysics

Wispy remains of supernova explosion hide possible 'survivor'

Of all the varieties of exploding stars, the ones called Type Ia are perhaps the most intriguing. Their predictable brightness lets astronomers …

Big History

The 10 best science images, videos, and visualizations of the year

These are the 2017 winners of the Vizzies Challenge.<p>We are all too aware of how hard it can be to explain science. Describing concepts, theories, processes, and phenomena use up a lot of words—and even after careful consideration those words can fall short. That's why for the last three years</i> …

Simulation suggests 68 percent of the universe may not actually exist

According to the Lambda Cold Dark Matter (Lambda-CDM) model, which is the current accepted standard for how the universe began and evolved, the …

Scientists Have Detected an Unexplained Explosion Coming From a Galaxy 10.7 Billion Light-Years Away

1,000 times more energy than every star in the galaxy.<p>Scientists have taken the deepest X-ray image of our Universe to date - and within it, they've …

66% of Cancers Are Caused by DNA Error, Not Environment or Lifestyle, Finds Johns Hopkins Study

We usually attribute cancer to inherited genes such as the BRACA1 or BRACA2 mutations, responsible for breast, ovarian, and prostate cancer. Or else, …

Cancer

Are Germans proud of their history?

At the Haus der Geschichte museum in Bonn, a young Iraqi learns about German history, in particular the years of the Nazi dictatorship. Hayder …

World War II: What It Took to Kill Nazi Super Battleship

On May 23, 1941, the Battleship Bismarck was on a roll. The largest and most powerful ship in the German Navy, the mighty Bismarck had broken out …

Every child with cancer to have tumour DNA sequenced to find best treatment

Every child with a tumour in Britain will have their cancer DNA sequenced so they can get the best possible drugs and help the UK catch up with treatment in Europe and the US.<p>The charity Children with Cancer UK has today announced £1.5 million in funding so that from today youngsters can be …

Cancer

HIV breakthrough may help scientists kill sleeping virus cells

AIDS patients must endure a lifetime of drugs because the virus conceals itself in the immune system and reactivates with a vengeance once the treatment stops. However, French scientists have discovered a marker that makes it possible to identify dormant, HIV-infected T-cells from healthy ones. …

British biotech Pulmocide raises £24m in bid to find treatment for deadly lung diseases

A small British biotech run by a group of former GlaxoSmithKline scientists has raised $30m (£24.2m) to continue developing two treatments for deadly viral and fungal lung infections.<p>Pulmocide, which is based at Imperial College’s innovation hub in London’s South Kensington, is in the early stages …

Biotechnology