There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe ...

In the past, geneticists have largely chalked up variation by race in health outcomes that couldn’t be explained by other variables as genetic differences they did not fully understand yet.

Ultimately, as far as SUVs go, the only people who care about the difference between a body-on-frame SUV and a unibody crossover are people who tow or off-road enough for it to matter and online ...

"Biological stochasticity"—random events at the molecular and cellular level—might be one of the biggest, most overlooked ...

Another difference: Covid-19 is more likely than the flu to cause a loss of taste or smell. But not everyone experiences that symptom, so it’s not a reliable way to tell the viruses apart.

Key differences Even though bug bites and hives often have different causes, this isn’t always a sure-fire way to tell them apart. For some people, bug bites can trigger a body-wide reaction to ...

Anyone who’s had a panic attack knows how real it feels. You might feel like you can’t breathe, like your heart is about to explode, like you’re about to faint or collapse.

What’s the difference between a deer tick (blacklegged tick) and wood tick (American dog tick)? Here’s what they look like, where they live, and the diseases they carry.

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There’s a growing trend where couples are saying "yes" to lab-grown diamond rings. These sparkly stones are made in a lab instead of being mined from the Earth like a natural diamond, but they ...