Students understand calculus better when the lessons are active

College students learn more calculus in an active learning course in which students solve problems during class than in a traditional lecture-based course. That's according to a peer-reviewed study my colleagues and I published ...

Gravity and dark matter, a bond beyond distances

Isaac Newton formulated his theory of gravity as an action at a distance: a planet instantly feels the influence of another celestial body, no matter the distance between them. This characteristic motivated Albert Einstein ...

Scientists revive Stone Age molecules

Breakthroughs in ancient genome reconstruction and biotechnology are now revealing the rich molecular secrets of Paleolithic microorganisms. In a new study published in Science, a transdisciplinary team of researchers led ...

Got milk? The ancient Tibetans did, according to study

New research into ancient populations that resided on the Tibetan Plateau has found that dairy pastoralism was being practiced far earlier than previously thought and may have been key to long-term settlement of the region's ...

Did ancient humans eat a Paleo diet?

Cave paintings from the Lascaux complex in France to Ubirr in Australia have one characteristic in common—they depict hunters and their prey. Very few of our Paleolithic ancestors seemed interested in doing still-life paintings ...

Milk enabled massive steppe migration

The long-distance migrations of early Bronze Age pastoralists in the Eurasian steppe have captured widespread interest. But the factors behind their remarkable spread have been heavily debated by archaeologists. Now, a new ...

Ancient oral biome points to overall health

When a baby puts something from the floor in their mouth, we panic, but the mouth already contains thousands of bacteria. Now a team of researchers is looking at archaeological remains for an example of how Japanese oral ...

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