Medicine
Therapy Dogs Help Reduce Pain in Emergency Room Patients
A new study shows canine companions can reduce anxiety, depression and discomfort in ER patients—and increase their overall well-being
Patient Who Received a Genetically Modified Pig Heart Dies After Two Months
The procedure marks the first time that a genetically-modified, non-human cardiac organ functioned without immediate rejection by the human body
Harriet Tubman Is Famous for Being an Abolitionist and Political Activist, but She Was Also a Naturalist
The Underground Railroad conductor's understanding of botany, wildlife biology, geography and astronomy allowed her to guide herself and others to safety
Even Mild Covid-19 Infections May Change the Brain, New Study Finds
Scans taken before and after a case of coronavirus reveal tissue damage and accelerated loss of gray matter
How Bones Communicate With the Rest of the Body
A new vision of the skeleton as a dynamic organ that sends and receives messages suggests potential therapies for osteoporosis and other problems
Breast Cancer May Not Be as Overdiagnosed as Previously Thought
New research finds overdiagnosis occurs in 15 percent of cases detected using mammograms
Brain Scans of Dying Man Suggest Life Flashes Before Our Eyes Upon Death
An elderly epilepsy patient unexpectedly died during a brain scan, revealing bursts of activity associated with memory recall, meditation, and dreaming
5,300-Year-Old Skull Offers Earliest Known Evidence of Ear Surgery
Bone growth suggests the patient survived the procedure, which was likely conducted to treat an infection
Scientists Edit Tick Genes for the First Time
Altering tick genomes could bring scientists closer to managing ticks and tick-borne illnesses like Lyme disease
The Unsung Heroes Who Ended a Deadly Plague
How a team of fearless American women overcame medical skepticism to stop whooping cough, a vicious infectious disease, and save countless lives
First Woman Has Been 'Cured' of HIV Using Stem Cells
The novel treatment using umbilical cord blood could help dozens of people with both HIV and aggressive cancers
Seven Things to Know About Covid-19 and Pregnancy
From the effect of vaccines on a baby's immunity to whether Covid-19 can cause stillbirths, experts weigh in with helpful information and advice
Smithsonian Honors Female Scientists With 120 Bright Orange Statues
The 3-D–printed figures will be displayed on the National Mall in celebration of Women's History Month
New Tools May Help Diagnose Fetal Alcohol Spectrum Disorders
If conditions stemming from exposure to alcohol in-utero can be better identified, then scientists can more effectively research treatments
Scientists Build an Artificial Fish That Swims on Its Own Using Human Heart Cells
The experiment could advance pacemaker technology and bring science closer to developing artificial hearts for people
Spinal Stimulation Device Helps Paralyzed Patients Walk, Cycle and Swim
Within days of their implants being activated, all three men were able to walk with support
How Exercise Boosts the Brain and Improves Mental Health
New research is revealing how physical activity can reduce and even ward off depression, anxiety and other psychological ailments
What You Need to Know About Covid Masks in the Age of Omicron
From what to wear to how to avoid counterfeits, experts weigh in on the latest advice about masks and Covid-19
Gas Stoves Are Worse for Climate and Health Than Previously Thought
A new study is heating up the debate over gas-powered stovetops
Frogs Can Regrow Lost Legs in the Lab. Now, Researchers Say Human Limb Regeneration Could Happen 'in Our Lifetime'
A 24-hour treatment using a five-drug cocktail kickstarted a yearlong regrowth process in the amphibians
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