Reproduction
Will Microneedle Patches Be the Future of Birth Control?
Researchers are developing a new long-acting, self-administered device that delivers hormones beneath the skin’s surface
Why Viewers Are Drawn to Renaissance Artists' Go-To Pose
A new study finds that the contrapposto stance reduces the waist-to-hip ratio, an attribute popularly associated with attractiveness
14 Fun Facts About Giant Pandas
Mother Mei Xiang’s annual ambiguous maternal behaviors always deliver heightened anticipation at the National Zoo
Dog Breeding Has Changed Pooches’ Brains
A new study has found that key anatomical differences in dogs’ brains are linked to the behaviors they were bred to perform
Eggs Successfully Collected from the Last Two Northern White Rhinos
Advances in fertility science will hopefully allow researchers to implant embryos of the species into surrogate southern white rhinos
Two Male Penguins in Berlin Join Long Line of Same-Sex Pairs to Adopt an Egg
Skipper and Ping have happily nurtured everything from rocks to fish before zookeepers let them incubate an egg
Researchers Document First Known Case of Dolphin Mom Adopting Whale Calf
The melon-headed male whale actively competed for his adoptive mother's attention, repeatedly shoving his bottlenose dolphin sister out of the way
The National Zoo’s Female Asian Water Dragon Successfully Reproduced Without a Male
This is the first time facultative parthenogenesis has been recorded in both the species and the reptilian Agamidae family
Bonobo Mothers Interfere in Their Sons' Monkey Business
They find suitable mates for their offspring and chase away intruders once the mating begins, boosting fertility rates
A Nanoscale Light Trick Is the Key to Peacock Spiders' Super-Black Spots
A new study shows how patches of bumpy microlenses capture 99.5 of the light that hits them
Escaped Pet Parrots Are Doing Great in the Wild
A new study has found that 25 non-native parrots species are breeding in 23 American states
How Do You Educate Climate Change Skeptics? Empower Their Kids to Teach Them
A new study shows that educating children may be the best way to reach parents who don't seem to care about climate change
How To Prepare for a Future of Gene-Edited Babies—Because It's Coming
In a new book, futurist Jamie Metzl considers the ethical questions we need to ask in order to navigate the realities of human genetic engineering
Baby Monkey Born Using Frozen Testicular Tissue, Giving Hope for Infertile Childhood Cancer Survivors
Around 30 percent of pediatric cancer patients are rendered infertile by chemotherapy or radiation treatments
Healthy Baby Lambs Born Using World's Oldest Sperm
Ram semen survived 50 years frozen in liquid nitrogen, matched insemination success rate of sperm frozen for just one year
In Addition to Testosterone, Another Hormone Is Vital for Early Male Development
A hormone called androsterone, produced in the placenta and other organs, plays a role in fetal development in the womb
A Year Later, Match.com Profile Pays Off for World's Loneliest Frog
The 2018 Valentine's Day stunt raised funds for an expedition that located five new Sehuencas water frogs, including a mate for lonesome Romeo
When Choosing a Mate, These Female Birds Prefer Brains Over Beauty or Brawn
After observing initially scorned male budgies performing complex cognitive tasks, females shifted mating preferences
See Ten Lusty Cane Toads Latch Onto a Powerless Python
The toads, which are invasive in Australia, have been known to try and mate with everything from human hands to rotting mangoes
Why More Babies Are Conceived in the Cold Winter Months
There's evidence of seasonal reproduction all the way back to the 1800s
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