science

What causes flash flooding in urban areas?

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Flash flooding in urban areas occurs when heavy rainfall overwhelms drainage systems and water cannot soak into paved surfaces like concrete and asphalt. This causes water to rapidly accumulate and flow with dangerous speed through streets and low-lying areas.

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What is happening with Kīlauea volcano's recent eruptions at Halemaʻumaʻu Crater?

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Kīlauea's ongoing eruption at Halemaʻumaʻu is currently paused, with the next lava fountaining episode forecast between May 3-7.

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What is the vaginal microbiome and what role do lactobacilli play in it?

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The vaginal microbiome is the community of microorganisms, mainly bacteria, that live in the vagina. Lactobacilli are the dominant beneficial bacteria that maintain vaginal health by producing lactic acid, which keeps the environment acidic and prevents harmful bacteria from growing.

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How do solar panels convert sunlight into electricity?

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Solar panels convert sunlight into electricity using photovoltaic cells made of semiconductor material, usually silicon, that release electrons when light hits them. These moving electrons create an electric current that can be used to power homes and devices.

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What time will the Flower Moon rise on May 1, 2026, and what should I expect to see?

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The Flower Moon reaches peak illumination at 1:23 p.m. EDT on May 1, 2026, and will appear as a smaller micromoon with a yellow-orange hue as it rises at sunset.

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