In New York City, cockroaches, rats, and mice are unavoidable. But some places are more infested than others, says a professional exterminator.
Clams have a retractable foot inside their shells
What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and sometimes a pearl. And you thought oysters were fancy.
A doctor breaks down what apple cider vinegar actually does to your body
Apple cider vinegar may help lower your blood sugar and clean your hair, but there’s little evidence that it promotes weight loss and other benefits.
Where the 11 deadliest animals in the US live
Deer, cows, and dogs are far more likely to kill you than mountain lions, sharks, and other wildlife that might look more threatening.
You can technically dig through the Earth to get to China, but it's more challenging than it sounds
To dig to China, you'd have to start in South America. And you'd need a super-powered drill to get through rock and metal within Earth's three layers.
What would happen if you never washed your sheets
Dust mites, fungi, and bacteria, build up on your bed if you never wash your pillowcases and sheets. Here's how often you should wash them.
Here's what you'll find inside a turtle's shell
A turtle's shell is part of the reptile's skeleton, and it protects some of the strangest features in the animal kingdom. Here's what's inside.
Psychologists debunk 25 mental-health myths
Business Insider brought in three psychologists to debunk 25 of the most common myths about mental health and therapy
What it's like giving birth in your 20s versus your 30s
Fertility declines with age, but waiting until your 30s to give birth comes with significant financial and maternal health benefits, studies suggest.
What's inside your belly button
Belly buttons are full of lint, bacteria, and fungi. If they're infected, there might also be a cheese-like liquid inside.
How magic shrooms affect your brain
Psilocybin, the psychoactive compound in "magic" mushrooms, triggers changes in your brain that may help combat depression and addiction.
Medical treatments for transgender people in the US can cost over $100K, even with insurance. Here's why they're so expensive.
The cost of medical treatments for transgender people in the US can amount to more than $100,000, and they're often not covered by health insurance.
Why America has more tornadoes than the rest of the world
Each year, over 1,200 tornadoes strike American soil. That's more than anywhere else in the world. Here's why the US has the most twisters.
What's inside the Mariana Trench
The Mariana Trench is the deepest point on Earth, void of light with the pressure of 48 jumbo jets. Yet life finds a way to survive. Very weird life.
A message from Insider Energy: We're going on hiatus
Goodbye, for now.
How dogs can smell epileptic seizures before they happen
A study showed that dogs can detect epileptic seizures through smell, up to 45 minutes before they occur, and research reveals how they do it.
WATCH: 4 top energy execs dish on Big Oil's reputation, the breakthrough tech we need, and why surging oil prices are actually good for clean energy
Execs from Shell, Facebook, Oliver Wyman, and battery startup Form Energy joined Insider for a discussion on the future energy economy. Watch it here.
Why we don't have birth control for men
Male birth control hasn't changed much since the condom was invented over 5,000 years ago. It's not just a lack of interest or research, but biology.
A dietitian explains which non-dairy milk is best for you
There are many types of non-dairy milk available, from soy and almond to coconut and oat. We asked a dietitian which one is the healthiest for you.
Exxon chases after a $2 trillion opportunity to capture and bury carbon emissions
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