Prehistoric humans ate bone marrow like canned soup 400,000 years ago

Researchers have uncovered evidence of the storage and delayed consumption of animal bone marrow at Qesem Cave near Tel Aviv. The research provides direct evidence that early Paleolithic people saved animal bones for up to nine weeks before feasting on them inside the cave.

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Why we crave junk food after a sleepless night

When you're sleep deprived, you reach for doughnuts and pizza. A new study has figured out why you crave more calorie-dense, high-fat foods after a sleepless night. Blame it on your sleepy nose — or olfactory system. First, it goes into hyperdrive, sharpening the food odors for the brain. But then there is a breakdown in communication with brain areas that receive food signals. Then decisions about what to eat change.

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DNA metabarcoding useful for analyzing human diet

A new study demonstrates that DNA metabarcoding provides a promising new method for tracking human plant intake, suggesting that similar approaches could be used to characterize the animal and fungal components of human diets. The study demonstrated that dietary plant DNA can be amplified and sequenced from human stool using methods commonly applied to wildlife studies.

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