16/07/2021

Just 7% of our DNA is unique to modern humans, study shows

What makes humans unique? Scientists have taken another step toward solving an enduring mystery with a new tool that may allow for more precise comparisons between the DNA of modern humans and that of our extinct ancestors.

Oregon wildfire forms 'fire clouds' that pose danger below

Smoke and heat from a massive wildfire in southeastern Oregon are creating giant "fire clouds" over the blaze—dangerous columns of smoke and ash that can reach up to 6 miles (10 kilometers) in the sky and are visible from ...

Events expanding to mark 100 years since John Glenn's birth

A three-day celebration of what would have been history-making astronaut John Glenn's 100th birthday began Friday in his birthplace and childhood hometown in Ohio, even as additional events were announced to mark the occasion.

How a butterfly tree becomes a web

Evolution is often portrayed as a tree, with new species branching off from existing lineages, never again to meet. The truth however is often much messier. In the case of adaptive radiation, in which species diversify rapidly ...

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