Women mount stronger immune responses to infection, scientists say. And in China, men smoke in much greater numbers.
Tag: Reproduction (Biological)
These Marsupials Drop Dead After Mating
This extreme reproductive strategy has been observed in the wild for the first time among male kalutas, mouselike mammals native to Northwestern Australia.
Scientists Fertilize Eggs From the Last Two Northern White Rhinos
A mother and daughter are the only two northern white rhinoceroses left in the world. Their eggs were fertilized using sperm from males who have died.
The Creepy Anglerfish Comes to Light. (Just Don’t Get Too Close.)
Increasingly, these ghoulish and improbable denizens of the abyss are being captured on video, revealing an array of surprising behaviors.
A Better Way to Manage Your Period? Try the Menstrual Cup, Scientists Say
The reusable, bell-like devices unfold in the vagina to stanch menstrual flow. They are as effective as sanitary pads and tampons, according to a new analysis — and less expensive.
Could the London Zoo Tiger Death Have Been Avoided?
After a matchmaking operation involving two Sumatran tigers went terribly wrong, social media users asked: Did it have to end in tragedy?