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Biology Explained

Little Ms. Excitable and Mr. Naïve: Meet Some Varied ‘Cell States’

Little Ms. Excitable and Mr. Naïve: Meet Some Varied ‘Cell States’

Little Ms. Excitable and Mr. Naïve: Meet Some...

They get excited. Sometimes they’re a little chatty. And they’ve been known to be naïve.  ...

Decoding Longevity: 3 Genes Linked to Anti-Aging

Decoding Longevity: 3 Genes Linked to Anti-Aging

Decoding Longevity: 3 Genes Linked to Anti-Aging

The bowhead whale, the mammal with the longest known lifespan, can survive to 200, while the average rat lives only two to three years, and squirrels can often live over a decade. What explains a species’ longevity?  ...

What Does Science Have to Say About Your Resolutions?

What Does Science Have to Say About Your Resolutions?

What Does Science Have to Say About Your...

It’s time to drop bad habits and pick up healthy new ones for the year ahead. For inspiration, here are some scientific insights into exercise, body fat, coffee and alcohol. ...

Test Tube Ancestors: The Science of Genetic Testing in Genealogy 

Test Tube Ancestors: The Science of Genetic Testing in Genealogy 

Test Tube Ancestors: The Science of Genetic...

Genetic testing companies use complex methods to determine your ancestry. But how accurate are they? ...

Know Your Sugars: Sweetness in Many Forms

Know Your Sugars: Sweetness in Many Forms

Know Your Sugars: Sweetness in Many Forms

Whether you’re gobbling up leftover Halloween candy or planning holiday meals, you’re likely to encounter a whole lot of sugar in the next few months. But in terms of chemistry, sugar isn’t just one substance. In fact, sugar takes various forms. It turns out the form affects how different sources...

Feasting on Science: Decoding Thanksgiving Dinner

Feasting on Science: Decoding Thanksgiving Dinner

Feasting on Science: Decoding Thanksgiving Dinner

This year, how about getting into the Thanksgiving spirit by taking a closer look at some of our favorite holiday staples and seeing what science tells us about them. From the yeast in the bread to the tryptophan in the turkey, there’s more to a Thanksgiving feast than initially meets the eye.

What Is a Virus and What Makes Them Both Fearsome and Useful?

What Is a Virus and What Makes Them Both Fearsome and Useful?

What Is a Virus and What Makes Them Both...

A virus is essentially a bundle of genetic code, either in the form of DNA or RNA, encased in a protein coating, known as a capsid.  But, unlike bacteria, a virus cannot reproduce itself without invading a host cell because it lacks some of the crucial machinery for metabolism and...

Science Fact or Science Fiction? Avoiding Peanuts as an Infant Reduces Allergy Risk

Science Fact or Science Fiction? Avoiding Peanuts as an Infant Reduces Allergy Risk

Science Fact or Science Fiction? Avoiding...

The science behind the way certain food allergies develop has evolved, and that there are new guidelines in place to help navigate these new ideas that suggest that avoiding peanut consumption may not translate to avoiding an allergy.  A 2015 study  published in the New England...

Why Are Some People More Tasty to Mosquitoes Than Others?

Why Are Some People More Tasty to Mosquitoes Than Others?

Why Are Some People More Tasty to Mosquitoes...

Science reveals that a variety of factors make us more palatable to mosquitoes, from the amount of carbon dioxide emitted in our breath to the color of clothing we’re wearing (darker colors attract mosquitoes more than lighter ones). But in the end, much of the variation in mosquito...