Why blue, green and hazel eyes are so "complex," according to a doctor
Dr. Rupa Wong unpacks the intricacies behind different eye colors, including the rarest eye color in the world.
I took a gene test. The results left me shocked—and empowered
Beyond my own family history, as a Black woman, I knew I couldn't miss a single mammogram.
Clams may hold the secrets to a longer life, scientists claim
The discovery points to an important role in the repair of DNA and the prevention of tumors.
Feeling your age? Blame the dinosaurs, scientist argues
Pressure from dinosaur predation 100 million years ago may have forced mammals to evolve to live fast and die young rather than growing very old like reptiles.
Invasive feral cats could be wiped out using genetic modification
"Gene drives literally 'drive' modified genes through a species by ensuring they are inherited," researcher Andrew D. Maynard told Newsweek.
Biologists reveal how sea worm's butt swims off on its own to find a mate
Green syllid worms detach the bottom half of their body, which then swim independently—but just how this occurs has always been a mystery.
Scientists just created chromosomes from scratch—"Huge"
"There is nothing like it in nature," geneticist Patrick Cai told Newsweek.
Golden retrievers have the secret for a long life, scientists reveal
This gene is also found in people and associated with cancer growth, meaning it could be important for human research, too.
Why are carrots orange? Scientists reveal the answer
"We identified three genes responsible for the accumulation of alpha and beta carotene, which make carrots orange," study author Massimo Iorizzo told Newsweek.
News
Fishmongers buy extremely rare lobster, release it for a long "happy life"
"This lobster is rare because of its color, which is due to a genetic mutation. There are 1 case in 1 to 2 million," Les Viviers de Noirmoutier told Newsweek.
Scientists discover new genes that cause obesity in women
Researchers have found three faulty gene variants that correlate with a high body mass index in women.
Scientists discover fungi that can stop cancer to live longer
Fungi use a special type of cell division called "clamp connection" to prevent the accumulation of cancers.
Shock as girl's muscles turn to bone while identical twin is unaffected
Cayetana and Celia are identical twins with the same DNA, but only Cayetana suffers from progressive osseous heteroplasia, turning her body tissues to bone.
Neanderthal DNA could be to blame for your poor immune system
Researchers have found that Neanderthal DNA can affect our development, metabolism and immune systems.
Internet has wild theories after black cat suddenly turns brown
A cat expert told Newsweek: "Black cats can look brownish in direct sunlight. This is only temporary and, back in the shade, the cat will look all-black again."
Rare "unicorn cat" found at rescue center
Only one in every 3,000 calico cats are born male as the colors of calico coats are encoded by the X chromosome.
Forget fad diets. AI knows exactly what you should eat for your best health
The new science of nutrition promises customized dietary recommendations designed to keep you healthy and to ward off disease.
Miniproteins that may be key to human evolution appeared "out of nowhere"
Scientists have discovered many new microproteins that are coded for in parts of our DNA previously thought to be empty.
The Y chromosome is going to disappear, scientists say
"The human Y is in the very last stages of degeneration, and the big question is how long till it, too, gets lost," expert Jenny Graves told Newsweek.
Man confronting wife in front of her friends about bad habit applauded
"I've explained to her how dangerous it is coupled with her medical condition to be smoking at all," her husband said.
'Fluffy' Pit Bull With Long Hair Due to Rare Recessive Gene Stuns Internet
"I didn't know the cure for my bad day was seeing a fluffy pitbull, but here we are," said one delighted internet user.
Dogs Became Close to Humans Thanks to Gene That Lowered Stress: Study
The gene made dogs more relaxed around people, enabling the special relationship to develop.
Ancient Ancestors of Deadly Snakes Swam to Australia, Study Finds
Researchers examined the evolutionary history of two of the most deadly venomous snakes in Australia—eastern brown snakes and tiger snakes
Genetics May Mean Some Women Don't Need Pain Relief During Labor
Co-author Ewan St. John Smith of the University of Cambridge told Newsweek that understanding the genes that regulate pain could help with developing new drugs.
'Thinness Gene' Could Explain Some People Stay Slim Without Trying
Scientists studied human genes, mice and flies to arrive that their conclusion.
The Image of Evolution as a March of Progress Is Wrong. Here's Why
The march of progress is the idea that evolution always results in increased complexity.
Transgender People With Gender Dysphoria Could Have 'Rare' Gene Variants
Scientists studied the DNA of 30 transgender people.
Ancient Hominids May Have Helped Protect Humans From Malaria
Research adds to evidence showing how archaic species shaped modern humans.
Lifespan of Animals Is Written in Their DNA: For Humans It's Just 38 Years
Knowing an animal's normal lifespan is hugely important for conservation efforts, but it's harder to find out than you'd think.
A Gene Linked to Unexplained Male Infertility Has Been Discovered
Infertility is one of the most common problems for young people, affecting between 10 to 15 percent of couples.