Rachael is a Live Science contributor, and was a former channel editor and senior writer for Live Science between 2010 and 2022. She has a master's degree in journalism from New York University's Science, Health and Environmental Reporting Program. She also holds a B.S. in molecular biology and an M.S. in biology from the University of California, San Diego. Her work has appeared in Scienceline, The Washington Post and Scientific American.
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How did cement end up in a man's heart?The cement had traveled through the man's bloodstream after a medical procedure.
By Rachael Rettner Published
health -
Boy dies from rare 'brain-eating' amoeba found in splash pad at Texas parkWater from the splash pad tested positive for Naegleria fowleri.
By Rachael Rettner Published
viruses-infections-disease -
Why did this man have copper-colored rings in his eyes?The rings were a clue to the man's rare disease.
By Rachael Rettner Published
neuroscience -
Viruses found in Laos bats are closest known relatives to SARS-CoV-2Strengthening case for natural origin.
By Rachael Rettner Published
coronavirus -
World's oldest identical twins are 107 years (and 300 days) oldGuinness World Records certified the title this month.
By Rachael Rettner Published
aging -
Wyoming woman catches rare pneumonic plague from catsCats are highly susceptible to plague and are a known source of infections in people.
By Rachael Rettner Published
viruses-infections-disease -
Horse tranquilizer crops up in overdose deaths around USHalf of U.S. states reported detecting the tranquilizer in fatal drug overdose cases in 2019.
By Rachael Rettner Published
health -
Delta-8 marijuana products can be dangerous, health officials warnProducts with delta-8 THC are sometimes labeled in misleading ways, officials said.
By Rachael Rettner Published
medicine-drugs -
Deadly Nipah virus kills boy in India, prompts worries over outbreakOfficials rushed to identify and isolate people who had come into close contact with the patient.
By Rachael Rettner Published
viruses-infections-disease -
COVID-19 test caused man's 9-month-long brain fluid leakThe patient thought he had allergies.
By Rachael Rettner Published
coronavirus -
Health officials quietly moved the date of the 1st US COVID-19 death to January 2020The first death occurred a month earlier than previously thought.
By Rachael Rettner Published
coronavirus -
New 'mu' coronavirus variant could escape vaccine-induced immunity, WHO saysThe variant was first detected in Colombia in January 2021.
By Rachael Rettner Published
coronavirus -
Flu season will be bad this year, research predictsThe findings underscore the importance of flu shots this year.
By Rachael Rettner Published
coronavirus -
Ivermectin won't treat COVID-19, but it might kill you, CDC warnsIvermectin does not treat or prevent COVID-19, and it can cause deadly side effects.
By Rachael Rettner Published
coronavirus -
COVID-19 vaccine effectiveness dropped to 66% against delta, CDC findsThe findings should be interpreted with caution.
By Rachael Rettner Published
coronavirus -
Thousands of sand dollars mysteriously wash ashore in Oregon in 'mass die-off'The sand dollars were alive when they washed in during high tides and became stranded.
By Rachael Rettner Published
planet-earth -
How a Salmonella outbreak ravaged a Michigan restaurant for 11 yearsDespite several remodels and deep cleanings, the building continued to harbor the bacteria.
By Rachael Rettner Published
bacterial-fungal -
Man gets 'flesh-eating' bacterial infection from eating raw oystersThe man spent three weeks on life support.
By Rachael Rettner Published
viruses-infections-disease -
Here's why you need to wash your hands for 20 seconds, according to physicsThe authors created a simple mathematical model to simulate the movement of particles during hand washing.
By Rachael Rettner Published
physics-mathematics -
Child dies from rare brain-eating amoeba in CaliforniaThe child most likely acquired the infection from swimming in a freshwater lake in Tehama County.
By Rachael Rettner Published
viruses-infections-disease -
3 men die in manure pit: Here's why it's a 'death trap.'Decomposing manure produces hydrogen sulfide, methane, ammonia and carbon dioxide.
By Rachael Rettner Published
health -
How deadly is the coronavirus delta variant?Early data suggests the delta variant may cause more severe disease.
By Rachael Rettner Published
coronavirus -
CDC investigating 2 deaths, 2 illnesses from rare bacterial diseaseThe disease, called melioidosis, is usually only seen in countries with tropical climates.
By Rachael Rettner Published
viruses-infections-disease -
California woman got typhus from a neighborhood ratRats are notorious for spreading disease.
By Rachael Rettner Published
bacterial-fungal

