Chemicals affect sperm health, now we know how

Bob Grant |
Additives known as endocrine disrupting chemicals (EDCs) compromise male fertility by interfering with a membrane-bound calcium channel that normally controls ...

Bacteria in lungs may protect humans from developing asthma

Cynthia Graber |
Human cells are outnumbered ten-to-one by the microbes that thrive in and on us. Now a study finds that the ...
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Humans’ love of watching animals is hardwired

David Barash |
Humans derive pleasure watching animals in zoos, nature and in popular culture. Beyond their uses as food sources and domestic ...
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Oldest fossil sperm is huge, poses evolutionary conundrum

Kenrick Vezina |
Scientists find sperm inside 17-million-year-old shrimp -- but it's not just any sperm. It's longer than the animals that made ...

Gene changes, diabetes continuing legacy of Cambodia’s Khmer Rouge

Carrie Arnold |
Cambodia’s diabetes clinics are overflowing. On its surface, it looks like little more than another country’s growing pains as it ...

Some experts find ethical uncertainty in artificial DNA

Artificial DNA, recently successfully implemented in a living cell by California scientists, presents more ethical concerns than opportunities for medicine, ...

Skin microbiomes differ largely between cultures, more diverse sampling is needed

Microbial samples taken from populations living in the U.S. and Tanzania reveal that the microbiome of the human hand is ...
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Will FDA regulations force US direct-to-consumer genetic testing companies overseas?

Meredith Knight |
23andMe is reportedly looking to enter international markets. Will they find their international hosts' regulatory structure as unfriendly as the ...
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Rumors of junk DNA’s death greatly exaggerated

Kenrick Vezina |
A new paper in PLOS Genetics presents a compelling case for why "junk DNA" is still a useful concept, despite ...

Do we need regulation for coming brain augmentation technologies?

Colin Lecher |
If you could permanently change your brain to work better, would you? Or, maybe more importantly, would you have the ...

Short men live longer thanks to FOXO3 gene

Douglas Main |
It's nice to be tall, right? Sure, it's great... unless you want to become an astronaut, or a horse jockey, ...

Stem cell generated neurons from schizophrenics develop abnormally

Using new stem cell technology, scientists at the Salk Institute have shown that neurons generated from the skin cells of ...

New bill allows blood spots from newborn genetic screenings to be kept indefinitely

Sara Reardon |
Minnesota will once again allow blood spots to be kept and used for further research following routine newborn screening of ...

Fragile X gene linked to autism also affects adiction

In a paper published in the latest issue of the neuroscience journal Neuron, McLean Hospital investigators report that a gene ...

Non-chromosomal DNA matters for expression of traits

Larry Hardesty |
In 2003, when the human genome had been sequenced, many people expected a welter of new therapies to follow, as ...

New brain cells can hurt learning ability

Helen Shen |
For anyone fighting to save old memories, a fresh crop of brain cells may be the last thing they need ...

Challenges to sequencing microbiomes: sample collection is the easy part

Tami Lieberman |
I have fun thinking about the few pounds of bacteria in and on my body— which bacteria live there, how ...

Mathematician uses genetics in algorithm to find best drug targets for cancer

Elie Dolgin |
The way in which people receive cancer therapy is pretty much the same as it's been for decades: researchers determine ...
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Immunotherapy hype: Are biotech companies overshooting clinical evidence?

Meredith Knight |
The business of oncology drugs that use a patient's own immune system to fight cancer is growing rapidly. But is ...

Stem cell trial for stroke shows potential for lasting benefits

Andy Coghlan |
People who received the world's first stem cell treatment for strokes have shown measurable reductions in disability and handicap a ...
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FDA ethically off base in opposition to direct-to-consumer genetic testing

Bioethicist argues that regulating direct-to-consumer genetic testing violates personal autonomy and protects against nothing ...
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Scientists add new letters to genetic alphabet: What does it mean?

Kenrick Vezina |
A 15-year effort has yielded a bacterium that can use two 'alien' base pairs in its genetic code, expanding the ...

Cultural timing hurts and benefits Wade’s new book on genetics of race

Andrew Gelman |
The paradox of racism is that at any given moment, the racism of the day seems reasonable and very possibly ...

Energy centers of immune cells decreased in children with autism

Children with autism experience deficits in a type of immune cell that protects the body from infection. Called granulocytes, the ...

Dad’s faulty genes and mom’s silent ones responsible in Prader-Willi Syndrome

Scientists at the Hebrew University of Jerusalem have reported a major breakthrough in understanding the molecular basis for Prader-Willi syndrome ...

To Mom: Thanks for the genes

Rebecca R. Helm |
Mother’s Day is a day of appreciation, of gratitude, and of guilt. Guilt for all the things I put my ...

One man’s junk: What non-coding DNA really means

Carl Zimmer |
Genomes are like books of life. But until recently, their covers were locked. Finally we can now open the books ...