Health Science & Human Biology

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Evolution, Climate and Vaccines: Why Americans Deny Science

The U.S. has a science problem. Around half of the country's citizens reject the facts of evolution; fewer than a third agree there is a scientific …

Psychology

Toxic brain cells may drive many neurodegenerative disorders, Stanford-led study finds

While most of us haven’t heard of astrocytes, these cells are four times as plentiful in the human brain as nerve cells. Now, a team led by …

The Brain

Scientists have caught viruses talking to each other—and that could be the key to a new age of anti-viral drugs

Some of the greatest scientific discoveries have been accidental. To that list, Israeli scientists have added one more. They’ve discovered for the first time an instance of viruses leaving messages for other viruses.<p>What makes the discovery remarkable is that scientists expect such communication …

Biology

Shark-derived compound could help fight Parkinson's

In the 1990s, US researchers discovered the secret to the dogfish shark's hardy immune system – squalamine, a potent antiviral and antibiotic …

Life Sciences

Human tissues in a dish: The research and ethical implications of organoid technology

Growing functional human tissues and organs would provide much needed material for regeneration and repair. New technologies are taking us in that …

This machine lets your smartphone analyze DNA

There's an app for that?<p>For diseases like tuberculosis and cancer, there is no one-size-fits-all treatment. The most effective regimen will depend on the disease's DNA: Genetic sequences can reveal whether a TB infection is resistant to certain antibiotics, or whether a tumor has mutations that …

Biology

Researchers Have Woven a ‘Smart’ Fabric That Mimics One Our Bodies’ Hardiest Tissues

They hope to replace worn-out human joints.<p>For the first time, researchers have created a ‘smart’ fabric that mimics a type of special human tissue …

Life Sciences

Decoding the Origami That Drives All Life

“Proteins are built to a precision that would make human engineers blush—every atom is always in exactly the right position.”<p>Robert Lang is a master of origami, known for his elegant and almost impossibly accurate sculptures. On his website, you can find his “crease patterns”—all the folds that go …

Life Sciences

The “Why Vaccines Don’t Cause Autism” Papers | Speaking of Medicine

<b>PLOS NTDs co-Editor-in-Chief Peter Hotez lists the key scientific papers refuting the myth that vaccines cause autism</b><p>I have a unique perspective on …

Autism

Breakthrough discovery in how organelles in cells interact

Amy Wallace<br>Jan. 20 (UPI) -- Researchers from the University of Exeter in England have discovered how two specific cell organelles work together to …

Life Sciences

Scientists Say It's Time We Discussed Creating Humans From Stem Cells

It's not science fiction anymore.<p>A paper landed in my inbox this week with a startling premise: soon, stem cells swabbed from human beings’ cheeks or …

Genetics

Scientists Just Announced Our Best Shot at Ending Antibiotic Resistance to Date

A molecule that reverses antibiotic resistance.<p>Scientists have developed a molecule that reverses antibiotic resistance in multiple strains of …

Life Sciences

Pancuronium bromide

<b>Ben Valsler</b><p>This week, a drug that plays a significant role in modern surgery. Katrina Krämer has dug into the archives and discovered the lengths to …

Designer Babies Dilemma in Sharp Focus With Fast Moving Fertility Tech

Moral panic around “designer babies” is nothing new, but rapid advances in technology that allows adult cells to be reprogrammed into sperm and egg …

Genetics

Human tissues in a dish: The research and ethical implications of organoid technology

Growing functional human tissues and organs would provide much needed material for regeneration and repair. New technologies are taking us in that …

This may be the most promising herpes vaccine ever

Which is good because pretty much everyone has herpes<p>Newsflash: You probably have herpes. This is actually okay. According to the World Health Organization, over two thirds of the global population have HSV-1 (commonly known as oral herpes or cold sores) and more than 10 percent have HSV-2, or …

Cancer

'Huge leap' in prostate cancer testing

<b>The biggest leap in diagnosing prostate cancer "in decades" has been made using new scanning equipment, say doctors and campaigners.</b><p>Using advanced MRI nearly doubles the number of aggressive tumours that are caught.<p>And the trial on 576 men, published in the Lancet, showed more than a quarter could …

Cancer

Controversial IVF technique produces a baby girl -- and for some, that's a problem

<b>(CNN) —</b> It was a first for the entire world: Using a controversial in vitro fertilization technique, doctors in Kiev, Ukraine, helped a previously infertile couple conceive and deliver a baby girl. Some critics say, for genetic reasons, the use of this IVF method should have been restricted to …

Genetics

12 year-old girl devises a computer program to prevent dangerous reaction to medicines

0 0 Edit this post<p>Till now there was no way doctors could tell how the medicine will react in a particular individual but now thanks to a 12-year-old …

Health

Mind maps: the beauty of brain cells – in pictures

The 19th-century Spanish scientist Santiago Ramón y Cajal, the father of modern neuroscience, was one of the first people to unravel the mysteries of the structure of the brain – and he made stunning drawings to describe and explain his discoveries

The Brain

Natural Selection Is Causing a Decline in Human 'Education Genes', Say Scientists

Is our species on a downwards spiral?<p>The genes that predispose people to attain higher levels of education have been in decline over the past 80 …

Genetics

Multiregional brain on a chip

New model mimics the connectivity of the brain by connecting three distinct brain regions on a chip (Image courtesy of the Disease Biophysics …

The Brain

"The Telomere Effect" Teaches Lessons On Anti-Aging

The Quest to Understand Aging<p>Within the past few decades, we have seen an exponential growth of technological advances in modern medicine. With more …

Longevity

What does it take for an AIDS virus to infect a person? Study identifies characteristics of HIV-1 strains that mediate sexual transmission

Upon sexual exposure, the AIDS virus must overcome some mighty barriers to find the right target cell and establish a new infection. It must traverse …

Life Sciences

Appendix may have important function, new research suggests

The human appendix, a narrow pouch that projects off the cecum in the digestive system, has a notorious reputation for its tendency to become …

Biology

This Human-Powered Paper Centrifuge Is Pure Genius

Inspired by an ancient toy, researchers from Stanford University have developed an ingenious hand-spun paper centrifuge. Incredibly, the device costs …

Science

Neurons modulate the growth of blood vessels

First hampered, then released: Nerve cells regulate the density of blood vessel network dynamically by fine modulation of signaling molecules<p>A team …

Life Sciences

Chinese company implants 3-D printed blood vessels into monkeys

<b>Beijing, China (CNN) —</b> A major breakthrough in 3-D printed medicine could bring hope to nearly 1.8 billion patients with cardiovascular disease.<p>Chinese scientists working for Sichuan Revotek have successfully 3-D printed blood vessels and implanted them in rhesus monkeys, the company said.<p>It is a …

3D Printing

Crohn’s disease risk and prognosis determined by different genes, study finds

Crohn’s disease is one of a number of chronic ‘complex’ diseases for which there is no single gene that causes the disease. In fact, to date around …

Genetics