1 0:00:00,000 --> 0:00:05,360 hello 2 0:00:06,640 --> 0:00:10,470 children and welcome back to the history 3 0:00:10,480 --> 0:00:11,509 of 4 0:00:11,519 --> 0:00:13,910 the entire world class now let's get 5 0:00:13,920 --> 0:00:16,550 started i'm very excited today because 6 0:00:16,560 --> 0:00:19,269 we get to talk about 7 0:00:19,279 --> 0:00:20,630 trees 8 0:00:20,640 --> 0:00:21,670 you see 9 0:00:21,680 --> 0:00:24,870 now whether you're from china or peru 10 0:00:24,880 --> 0:00:28,950 russia new york city istanbul mexico 11 0:00:28,960 --> 0:00:32,150 greenland philadelphia zoo or anywhere 12 0:00:32,160 --> 0:00:34,470 else in the world other than north pole 13 0:00:34,480 --> 0:00:36,069 or antarctica 14 0:00:36,079 --> 0:00:39,670 there are trees now why are we talking 15 0:00:39,680 --> 0:00:42,790 about trees mr histor you might ask what 16 0:00:42,800 --> 0:00:44,470 do trees you see 17 0:00:44,480 --> 0:00:47,750 i have to do with history well you see a 18 0:00:47,760 --> 0:00:49,029 lot 19 0:00:49,039 --> 0:00:50,869 there aren't many things in life that 20 0:00:50,879 --> 0:00:53,430 track their own history like us humans 21 0:00:53,440 --> 0:00:56,709 do no no no no you see monkeys don't 22 0:00:56,719 --> 0:00:58,869 have the brain for the birds that just 23 0:00:58,879 --> 0:01:02,150 don't care but trees oh 24 0:01:02,160 --> 0:01:05,109 trees you see oh they keep track of 25 0:01:05,119 --> 0:01:07,990 every year they are alive 26 0:01:08,000 --> 0:01:09,670 how 27 0:01:09,680 --> 0:01:11,990 well that's what i'm getting to you nosy 28 0:01:12,000 --> 0:01:13,429 nathan 29 0:01:13,439 --> 0:01:15,670 if you cut down a tree 30 0:01:15,680 --> 0:01:17,749 or which you really shouldn't do unless 31 0:01:17,759 --> 0:01:20,789 you plan to use that tree you see if one 32 0:01:20,799 --> 0:01:21,830 were 33 0:01:21,840 --> 0:01:25,190 to cut one and down and climb up on top 34 0:01:25,200 --> 0:01:28,070 of it look down at the stump 35 0:01:28,080 --> 0:01:30,550 of the tree you see that's that's what 36 0:01:30,560 --> 0:01:32,550 we call the leftover part of the tree 37 0:01:32,560 --> 0:01:33,510 that's 38 0:01:33,520 --> 0:01:35,749 stuck in the ground when you take the 39 0:01:35,759 --> 0:01:37,990 tree part away and fly by helicopter to 40 0:01:38,000 --> 0:01:40,550 rockefeller center if you look at that 41 0:01:40,560 --> 0:01:45,270 stump you'll see tons and tons of rings 42 0:01:45,280 --> 0:01:47,749 and each and every single ring is a 43 0:01:47,759 --> 0:01:50,630 record of one year that that tree has 44 0:01:50,640 --> 0:01:52,310 been alive 45 0:01:52,320 --> 0:01:56,870 so inside a tree you see is the history 46 0:01:56,880 --> 0:02:00,149 of the tree like humans trees grow as 47 0:02:00,159 --> 0:02:01,910 they get older 48 0:02:01,920 --> 0:02:04,950 only humans stop growing at some point 49 0:02:04,960 --> 0:02:07,190 because otherwise 50 0:02:07,200 --> 0:02:09,350 some of us would just be gigantic and we 51 0:02:09,360 --> 0:02:10,949 wouldn't be able to fit inside of our 52 0:02:10,959 --> 0:02:13,670 homes or schools or doorways 53 0:02:13,680 --> 0:02:16,309 and we would have to eat so much food 54 0:02:16,319 --> 0:02:17,830 that the world would 55 0:02:17,840 --> 0:02:20,710 uh might shrivel up into a deflated 56 0:02:20,720 --> 0:02:23,840 beach ball shape 57 0:02:24,480 --> 0:02:26,550 notice thinking is making me tired i 58 0:02:26,560 --> 0:02:28,630 think i might just 59 0:02:28,640 --> 0:02:30,869 uh i think i might just 60 0:02:30,879 --> 0:02:32,869 might just lay down 61 0:02:32,879 --> 0:02:34,550 and dream 62 0:02:34,560 --> 0:02:36,150 of 63 0:02:36,160 --> 0:02:39,280 being very large 64 0:02:44,400 --> 0:02:48,070 wake up wake up wake up mr hipster wake 65 0:02:48,080 --> 0:02:51,080 up 66 0:02:51,599 --> 0:02:54,879 i don't think he's gonna wake up 67 0:02:55,360 --> 0:02:59,800 oh what else can we watch