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We do not laugh at the other’s suffering or distress; we react to the other’s surprise, incongruity and bewildered expression, having deciphered that he or she is not in distress and has not really hurt themselves. (Shutterstock)

Why do we laugh when someone falls down? Here’s what science says

A clinical psychologist explains what has the potential to trigger our usually well-meaning laughter.
Family members often take on the burden of preparing and delivering meals to their relatives. SoumenNath/E+ via Getty Images

What’s on the menu matters in health care for diverse patients

Some older patients forego the food provided at their health care facility because it isn’t aligned with their religious and cultural preferences.
You can plant a seed from a delicious Honeycrisp apple from the grocery store — but the fruit that comes from that tree will not be Honeycrisp. (Shutterstock)

How a few good apples spawned today’s top varieties — and why breeders must branch out

Apple breeders have created crisp, juicy and tasty fruits, but the limited varieties leave crops vulnerable to diseases, pests and climate change. Introducing new traits could improve crop resilience.
Geese fly day or night, depending on when conditions are best. sharply_done/E+ via Getty Images

How do geese know how to fly south for the winter?

Geese honk loudly and point their bills toward the sky when they’re ready to start the migration. Here’s how they know it’s time, how they navigate and how they conserve energy on the grueling trip.

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