Robert Christian

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    Robert Christian replied to the thread Newfound 'moon' around asteroid Dinkinesh is actually two tiny moons touching.

    What's next? Will a closer view show a tiny moon of the moons?

    Nov 9, 2023
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    Robert Christian replied to the thread The 'safe' threshold for global warming will be passed in just 6 years, scientists say.

    That may be a threshold in an agreement or about a point after which there needs to be no more input for a projected result, but the...

    Oct 31, 2023
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    Robert Christian replied to the thread Scientists finally solve mystery of why Europeans have less Neanderthal DNA than East Asians.

    Interesting. Would like to see a map of the populations with percentages.

    Oct 19, 2023
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    Robert Christian reacted to Franny Baer's post in the thread Archaeologists in Zambia discover oldest wooden structure in the world, dating to 476,000 years ago with Like.

    What can be accomplished by beings who seem to have had 80% of our brain power? We have real life examples in our communities and...

    Sep 22, 2023
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    Robert Christian replied to the thread Archaeologists in Zambia discover oldest wooden structure in the world, dating to 476,000 years ago.

    Since Oldowan tools and others were from 1 1/2 to 2 million years before, it's likely that other sites will be found - sometime.

    Sep 21, 2023
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    Robert Christian replied to the thread 'Ghost' particles from the sun could lead us straight to an invisible trove of dark matter.

    I wonder if to catch light or heavy dark matter particles, or something lighter than neutrinos, if the area between here and the moon...

    Sep 21, 2023
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    Robert Christian replied to the thread 'Once again, innovation and proliferation ended with catastrophe': The environmental disaster of plants taking over the world.

    Wow! Thanks. Hadn't thought much about how and why plants moved to land: rock-derived elements, eh? Well written - thanks again.

    Sep 13, 2023

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