Roman Concrete Was Better Than Modern Equivalents
Ancient Roman concrete could self-heal thanks to “hot mixing” with quicklime.
Ancient Roman concrete could self-heal thanks to “hot mixing” with quicklime.
Usually, an organism’s cells all carry the same genes. In yellow crazy ants, some cells carry only maternal and others only paternal genetic material. Chimerism can happen by accident in nature but these ants rely on chimerism to exist.
80% of jobs that could be filled by scientists with a PhD don’t mention ‘PhD’ in the ad.
Similar to ‘birding’ (i.e. birdwatching), ‘herping’ is the pursuit and observation of reptiles and amphibians.
63-year-old artist Simon Beck makes colossal yet intricate designs on the unlikely canvas of enormous snowfields. Beck treks for hours carving with his feet, creating snow sculptures over a quarter mile long.
The power of timing, technology, collaboration and wonder combine to create this amazing 90 second video.
Lots of invertebrates feed on slime molds; lots of slime molds feed on other organisms. Sounds gross but the macro photos are beautiful.
Tiny new genes appearing in human DNA show how we’re still evolving.
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