Latest articles by Joseph Castro
Antarctic Ice Shelf Melt Sparks Seafloor Sponge Boom
The collapse of Antarctica's Larsen A ice shelf two decades ago unexpectedly spurred a population boom in glass sponges on the seafloor below.
Chilean Mummies Reveal Ancient Nicotine Habit
Pre-Hispanic cultures regularly consumed nicotine and hallucinogens.
Animal Sex: How Ants Do It
Females use one shot of sperm to fertilize their eggs for the rest of their lives.
What Are the World's Fastest Trains?
There's a lot of competition in the over-300 mph category.
Why Do People Drink Milk?
Long after adulthood, many of us keep consuming the stuff. Why?
Silicon or Silicone: What's the Difference?
One is a naturally occurring element, while the other is completely man-made.
Animal Sex: How Crabs Do It
Most crabs prefer the missionary position while essentially "naked."
Post-Traumatic Stress Replicated in Mice
Researchers may learn more about treating PTSD in people from mice that have induced to have the disorder.
Babies Born Late Face Behavior Problems, ADHD
Post-term babies have higher risk of developing behavioral and emotional problems.
Parasite Infection Hits US Infants Hard
Toxoplasmosis infections can sometimes lead to brain damage.
The 9 most interesting transplants
What is the most interesting transplant ever successfully completed?
Why Do Some Blond Kids Go Dark?
Towhead blonds are often brunettes before puberty. Why?
Earliest Case of Child Abuse Discovered in Egyptian Cemetery
The toddler died some 2,000 years ago, but fractures suggest violent shaking and direct blows.
Secret to Clingfish Suction Power Found
The key lies in the tiny hairs around the edges of their adhesion discs.
Why Chinese 'Tiger Moms' Are So Controlling
Turns out, their self-worth is tied up with their children's success.
