5,519 results
- Health & Medicine
Zika, psychobiotics and more in reader feedback
Readers respond to the April 2, 2016, issue of Science News with thoughts on Zika virus, planetary science, microbes in mental health and more.
- Plants
Defense hormones guide plant roots’ mix of microbes
Plants use salicylic acid to attract some bacteria to roots and repel others.
- Life
Signs of food allergies may be present at birth
Overactive immune cells may prime babies for food allergies.
- Chemistry
Bacteria staining method has long been misexplained
New research upends what scientists know about a classic lab technique, called gram staining, used for more than a century to characterized and classify bacteria.
- Health & Medicine
Instead of starving a cancer, researchers go after its defenses
There may be ways to block tumors from adapting and outrunning the body’s defenses.
- Paleontology
Bubbles may have sheltered Earth’s early life
Bubbles formed on ancient shorelines offer scientists a new place to look for traces of early life.
- Life
Superfast evolution observed in soil bacteria
Natural selection resurrects flagella in soil bacteria in just four days.
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- Life
How vitamin B12 makes pimples pop up
Vitamin B12 causes acne by altering metabolism of skin bacteria.
- Genetics
Water bears are genetic mash-ups
Drying out may help tardigrades soak up new DNA, which in turn aids the water bears in withstanding stress.
- Life
Microbes show up on schedule after death
Microbes in the soil beneath dead bodies offer forensic clues for time and place of death.
