Hypothetically, an implanted embryo could be older than the woman who gives birth to it.
Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, including wild questions you didn't even know you had.
And check out our "Life's Little Mysteries" podcast, where we answer questions about mysteries big and small — about ancient civilizations; our planet and solar system; the plants and animals that live alongside us; our bodies and how they work; and more. Listen in on Apple podcasts, Spotify and Audioboom.
The first fax machine used telegraph lines and was patented 33 years before Alexander Graham Bell's famous first phone call.
It was either because New Year's Day used to be March 1 or because the Romans used to have a 10-month calendar.
The Republicans used to favor big government, while Democrats were committed to curbing federal power. How did the parties switch stances?
Are you genetically more similar to your mom or dad? Turns out, that's a complicated question to answer.
Jesus' ability to defeat death, heal people and produce food and drink elevated him above Roman gods in the eyes of many people. A wand would have enhanced that image.
Some galaxies are swirling blue disks, others are red spheres or misshapen, clumpy messes or something in between. Why the different configurations?