Comments by "Kate S" (@KateeAngel) on "PBS Eons" channel.

  1. I am Russian and true, it is Den-I-sovans, not DenisOvans. Name comes from Russian language
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  2. In the past change of 0.01 ppm CO2 per year was "fast". It accumulated over 10 of millions of years to create a huge drop or rise. Nowadays the change is 2-2.5 ppm per year
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  3. First of all, in the winter water in the ground is frozen, and plants cannot use it, but large leaves would still continue to lose water through evaporation, and the plant would lose water. Second, large leaves accumulate more snow on them, and that could break a tree. Even without leaves in winter many younger birch trees bend or break when there is a lot of snow. Third, large amounts of soft tissue, like in leaves could freeze and be damaged easier and pathogens could get in through the damaged leaves
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  4. Come on, who goes to sleep so early nowadays??? Here 1:30 am
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  5.  @BodhiPolitic  South America was populated more than 12k years ago. First Polynesian migrations started much later, 5000 or even less years ago
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  6. One day Earth looked like Enceladus. Albedo 101%
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  7.  @fabianreusch4870  not only Sami, but any colonised ethnic minority group, and Europe has many of them too
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  8. Because places with no real seasonal change and no snow in the winter suck
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  9. Not like modern Africans. Ancient humans had dark skin, but their facial features, stature etc. were different from any modern race of humans. Modern features in populations evolved later
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  10.  @PedroGuilhermeSchneider  15000 lives all in one pandemic
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  11. It will not if humans everywhere drop fertility rate to 2 or less
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  12. Me too. And I work part time with rather flexible schedule
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  13.  @useodyseeorbitchute9450  well, it is acknowledged in which country things are found in Europe and Asia, and considering that countries in Eurasia are created by indigenous people of Eurasia, that counts. There are exceptions, though, when it is found in the area of ethnic minority group, and I would like see those acknowledged!
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  14. Your ancestors aldo lived through the Archaean eon
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  15. Duh from our ancient common ancestors who lived in Africa. Modern Africans have no specific claim to common ancestors of ALL humans
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  16. Actually for me personally it would make no difference to, say, the pandemic that would last only 100 years hehe
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  17. Can you imagine reptiles walking with umbrellas? Would be cool
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  18. Nah, microbes ruled the Earth all these 4 bln years, and will do so in the future. All we do is child's play compared to them
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  19. There are plenty clues that humans hunted at least some of those species to extinction
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  20. So lucky, to see a giant sloth and die at 30-40 years old 😂
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  21. Most birds also have pathetic night vision, because they are not adapted to night at all. My parakeets couldn't see my hand in the dark, if it was placed 2 cm in front of them, while I could see them clearly
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  22. Actually dating like that in South America were called into question, since not the remains themselves were dated, but nearby carbon from ashes Also just because they looked more like modern Africans and Aboriginals, does not mean they were more related to them than to Native Americans. At first people in Americas may have retained features of their ancestors, later evolving other features. Kinda like in Europe ancestors of modern Europeans were still dark skinned until 8k years ago, and after transition to plant diet natural selection gave rise to light skin
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  23. If there was one. There are still 2 times more species of dinosaurs today than species of mammals. Not to say that Earth has always been dominated in any meaningful way only by prokaryotes
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  24. Very recently. Like very light skin in Eu ope evolved less than 8k years ago
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  25. Still ten times better than a night vision of most diurnal birds. My parakeets couldn't see anything even in relative darkness, when I could see them clearly
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  26. If you believe that biologists follow that definition of species, you are wrong. Species is more often defined by a big number of characteristics. Or just by tradition, in case of species which were named so after Linnaeus but before Darwin
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  27.  @iqbalmuhammad2920  which happened much later. Polynesians started their journeys only 5k or so years ago. While Americas were populated more than 12-13 k years ago
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  28. I like little viviparous lizards in the woods near my summer house, they are really small and cute, especially the babies and pregnant females. If you catch them and put on your arm carefully, they sit there, enjoying the warmth. So bad I can't take them home 😂
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  29.  @fredanderson5544  youtube is full of pseudoscience, looking at videos is not research. Read some peer-reviewed scientific journals for once
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  30. Yeah, but for some species human overhunting could have been the main reason. The more recent events in Madagascar and New Zealand, which were populated only recently, show that it is possible. Surely, many species also disappeared due to other reasons
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  31. Humanity not evolving is fine, but birds wouldn't evolve either, and that's sad
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  32. What if I accidentally catch and eat our early tetrapod ancestor? 😂
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  33. Only that the biggest genetic differences are found all within one "race" - Sub-Saharan Africans, some of them are more different from each other than all of non Africans from each other
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  34. Antarctica was found by Russians. Here, just gave you the reason my country should annex that continent lol
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  35. Look up any paleo art of Archean Eon
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  36. And how do they know it? Myths do not count as evidence
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  37.  @magnusorn7313  they walked not on ice, but between ice sheets
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  38. Only 30 k years. Anything else is very questionable so far
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  39. "Life" evolved in the water. 3-4 billion years ago
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  40. Those are questionable datings. As I remember, not the remains themselves were dated but nearby ash
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  41. Yeah, synapsids are not considered to be "true reptiles"
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  42. Dry and hot --> even drier and hotter ---> back to being just dry and hot. That is the only thing that can happen in Australia's climate, I bet 😆
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  43. If I was a bird, maybe
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  44. 800k years ago they split and 50-40k years ago they meet again
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  45. There are 6 continents. Eurasia is one continent as evident by the map. Actually Antarctic was discovered in 19th century, but only by the 20th century people first started to live there at least for a time, mostly at whaling stations on islands
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  46. Which one? In SA, as I know, mostly species of Homo other than Homo sapiens are found
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  47. Maybe evolution of males and females was also an accident in a population of hermaphrodites, that is what I thought about recently
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  48. Polynesians reached South America, but much later after it was settled, since Polynesia was populated much later than Americas
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  49.  @Danquebec01  Europeans and Africans since 16-17 century. And also some Asians
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  50. No, there are no Semites. Although there is a weird group of Natives with R1b Y chromosome haplogroup (which is usually found only in Indo-European people), and scientists are still not sure whether it comes from recent admixture or from earlier time
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