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How can we help bees survive harsh winters? – Carla, 10, Texas

Dear Carla,

I keep mason bees. They sleep in cardboard tubes all winter long. I worry about my little bees until I see them chew out of their nesting tubes in the spring.

I talked about how mason bees and all kinds of bees survive winter with my friend Brandon Hopkins. He’s an insect scientist at Washington State University. He manages the honey bees on campus.

The honey bees we see in North America today first arrived with Europeans in the 1600s. We love honey bees because they pollinate our crops and make delicious honey. But there are lots of bees that have always lived here—like bumble bees, squash bees and mason bees. Those are native bees.

Most native bees survive the cold by overwintering in the nests where they were born. That could be tucked into the soil or leafy debris. It could be nestled inside hollow plant stems, holes in wood or tubes like my mason bees. Some native bees like bumble bees live in colonies. Only the queen survives the winter. She digs into the earth or finds a hollow tree and hibernates there.

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When was the first bee made? – Henry, 7, Illinois

Dear Henry,

It’s easy to love bees. They’re furry and buzzy. Along with other insects, birds and bats, they pollinate about one-third of the plants we eat.

I talked about how long bees have been buzzing around Earth with my friend Silas Bossert. He’s an evolutionary biologist in the Department of Entomology at Washington State University.

“The oldest bee fossil that is really without doubt a bee is between 65 and 70 million years old,” Bossert said.

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How does honey last forever? Gillian, 7, Illinois

Dear Gillian,

Archaeologists exploring ancient Egyptian tombs sometimes find honey. It’s thousands of years old, but you could still safely spread it on your toast!

I talked to my friend Brandon Hopkins, professor in the WSU department of entomology, about why honey lasts so long. He told me honey is one of the only foods that never spoils.

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Why do bees make hexagons in their hives? Why not any other shape? -Aditya, 10, New Delhi, India

Dear Aditya,

When bees make hexagons in their hives, the six-sided shapes fit together perfectly. In fact, we’ve actually never seen bees make any other shape. That’s what I found out when I visited my friend Sue Cobey, a bee researcher at Washington State University.

Cobey showed me some honeycombs where the female bees live and work. Hexagons are useful shapes. They can hold the queen bee’s eggs and store the pollen and honey the worker bees bring to the hive.

When you think about it, making circles wouldn’t work too well. It would leave gaps in the honeycomb. The worker bees could use triangles or squares for storage. Those wouldn’t leave gaps. But the hexagon is the strongest, most useful shape.

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