Nicole Karlis (page 15)

Email: nkarlis@salon.com

Nicole Karlis is a senior writer at Salon, specializing in health and science. Tweet her @nicolekarlis.

Syphilis rapid test results

Syphilis cases in Houston are skyrocketing as health officials declare an outbreak Nicole Karlis

Ashwagandha superfood powder and root

For some, this anti-anxiety herb is a godsend. For others, it's a nightmare. What gives? Nicole Karlis

Birth control pills

FDA approves over-the-counter birth control — but potential cost remains a hurdle to access Nicole Karlis

What everyone gets wrong about sunscreen, according to skin cancer experts Nicole Karlis

Man hugging dog

Cancer in dogs and humans share more genetic similarities than previously thought: Study Nicole Karlis

River Delta on Saturn Moon Titan

Astronomers analyze alien rivers on Mars and Titan Nicole Karlis

Dried up Rhine River Germany

Last summer's deadly heat wave killed 61,000 Europeans: Study Nicole Karlis

Brain Scan

Mental health experts propose new subtypes of depression. Will it actually improve treatment? Nicole Karlis

White-eyed Vireo

Climate change is driving earlier springtimes. For some birds, that could equal extinction: Study Nicole Karlis

ASPIRE Cosmic Filament

Early strings of cosmic web identified by James Webb Space Telescope Nicole Karlis

Infant formula shortage forced desperate moms to practice unsafe feeding: study Nicole Karlis

Doctor checking pregnant woman with stethoscope

Strict abortion laws are driving an exodus of women's health specialists Nicole Karlis

Gravitational waves hum concept

Supermassive black hum: Scientists discover gravitational wave background that permeates universe Nicole Karlis

Killer Whale family with Yacht

Are the orca "attacks" spreading? What cultural evolution teaches us about fads in animals Nicole Karlis

BinaxNow COVID-19 at-home test

Do at-home COVID tests still work? New research suggests they are less effective than thought Nicole Karlis

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