>> exactly. >> reporter: months of fires in australia have had a devastating impact on the koala population, which was already on the verge of extinction.100 and 2,000 koalas before the fire season. the group estimates more than -- why were r. koalas so special to australia? >> they've got that lovely ambience about them. they don't hurt nothing. they just sit and eat. and they're very australian because they're found nowhere else in the world. we have to look after them. it's very important that we do. koala? >> reporter: so far this s locad 16 koalas. experts are then called in to rescue the animals. around 45 koalas are being treated for burns at the port mccroy koala hospital north of sydney. president sue ashton says she's grateful for the dog teams. >> they actually streamline the whole process. koalas are quite discreet.

they hide themselves very well. particularly if they've beent cl take 100 years for rebuild. that's why saving just one is so important. >> they're gentle docile creatures. they don't hurt anybody. generally they don't hurt each other. and they just deserve to live. >> are you concerned about how well the species will bounce back? >> very concerned. but there is a light and the light is that now that people have seen the plight of koala maybe we can get off our back sides and with the help of the government and like-minded people we can actually do something that will help them. >> reporter: these are just three of eight dogs trained to do this work throughout the entire country. that's why as itec o stean tetthe dogs into as mans possible. now to the philippines where the taal volcano outside manila is threatening a major eruption. ramey insensio is there. >> reporter: towns and vil ajz

cross this region are still dealing with ash that's caked on vehicles just like this. you can see how difficult it is to get it off these tricycles and these cars. but it's also being caked along the homes out here. t sses, tse hav been ing it in everyone here that taal volcano, not too far from where we're standing right here, do be on the verge of erranting in the next few days if not the next few hours. thick volcanic ash blanketed entire towns. cakest towns of gray. taal volcano continues to belch ash and steam eauakeav rkeds gionver since sunday. officis warned an eruption could be imminent. nearly 40,000 people were forced from their homes and took shelter in these evacuation centers. some even fled with their livestock. but the united nations says as many as half a million residents

are still at risk. a lot of people are looking at the volcano and saying oh, not much to see here. >> it's not true. our instruments are telling us that significant volcanic activities are still undergoing and the threat's still there. >> reporter: research specialist dr. sevilla says observing the volcano for the next few days will be critical. >> the high number of earthquakes, tobserving around the volcano it's telling us the mud is still coming up toward mud i want moroming up toward from my me that's why i' g the of 1, with trelegy. fded that's why i' g once-daily 3-in-1 copd treatment. ♪ trelegy ♪ the power of 1,2,3 ♪ trelegy man: with trelegy and the power of 1, 2, 3, i'm breathing better. trelegy works three ways to open airways.

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so here's a questionu.wouly sea in an octopus's garden? as chip reid reports, it may be more interesting than you think. >> reporter: it's one of the most bizarre creatures on earth. and not just because it looks so different. the octopus can camouflage itself in a flash, squeeze its entire body through a one-inch hole, and their brains,t's right, brains with an s. an octopus has one large central brain and eight mini brains, one in each arm. >> octopuses are so brilliant. >> reporter: author and naturalist saya montgomery

believes their intelligence is almost off the charts. >> we give them the same toys to play with that we give our children. we love to play. play one of those characteristics of higher minds. >> reporter: as if on cue -- >> there she is.r:rudy, a giant pacific octopus and one of the stars of the new england aquarium in boston, seemed to want to play with us. >> some people go ew, that's creepy. you go -- >> i say this is one of the most beautiful creatures on this planet. one of the smartest, one of the most interesting, and one of the most alien. >> reporter: in fact, they're portrayed in movies as aliens. >> that's right. and as monsters. >> reporter: yes, hollywood octopuses have torn down the golden gate bridge. they've destroyed ships. and feasted on movie stars. montgomery says it's unfair to

demonize them. >> you would really have to go to outer space to come up with is. their nerves are in their armpits. they have three hearts. they have blue blood. and the grace. i mean, who has gracetgery spen countless hours here studying these other-worldly beings while writing her book, "the soul of an octopus." do you believe the octopus has a soul? >> i believe if i've got a soul this octopus has a soul. >> reporter: and that she claims is not the only thing they have in common with humans. >> when i met an octopus for the first time i was so struck by s ou i wbo at j her. >> she knows me. wow. look at that. may i? >> yeah. absolutely. >> hello there. >> reporter: we went behind the

scenes to see senior aquarium biologist bill murphy. it turns out that calling an octopus curious is an understatement. >> she's more interested in you than the >> that's scary. >> reporter: it felt like she wanted me to join her in her octopus's garden. >> that is -- she is powerful. >> yeah, you feel the pull of the muscle? >> reporter: a big part of murphy' job is keeping rudy from getting bored. >> because they're so smart we try and keep them mentally stimulated and interactions like this help with that because they're figuring us out, who we are and what we're doing. >> reporter: there are about 300 species of octopus but the giant pacific octopus is the largest, averaging 16 feet in length and 110 pounds. it's also the longest-lived octopus. even so, its life span is only about three to five years. >> they have such personalities. each octopus is different.

so when you work this closely with them and you interact with them on a regular basis, you build a relationship with them. >> it's got to be difficult that they liver suchhos. it is. verdifficult.e repr: we met brett grassee of the marine biological laboratory in woods hole, massachusetts. >> this is beautiful. >> yeah. pretty good day in the offi huh? >> reporter: he's responsible for the care and feeding of the lab's octopuses and comes here to stack up on their favorite ,. >> so kind of poke and move along? >> exactly. >> we've got some jumping around in there. >> next stop the beach for another octopus delicacy, crabs. >> three, two, one. >> whoa. look at them all. >> there you go. just grab and scoop. >> back at the lab the day was about to get a lot better for a small california two-spot

octopus and a lot worse for one of those crabs. >> this is going to be quick. >> bon appetit. >> so don't blink. >> reporter: of all the octopus's oddities perhaps the most extraordinary is its talent for disguise. watch that the octopus changes its shape, colors, patterns, even the texture of its skin to look like seaweed and does it in the blink of an eye. it's called dynamic camouflage. >> i would argue that dynamic camouflage is a forid was shot by roger hanlon, senior scientist and a top octopus researcher at the marine biological laboratory, who recently gave a ted talk on octopus intelligence that went viral. >> it doesn't just happen instinctively. they actually think and decide how to camouflage themselves.

>> that's right. this is not a reflex. this is a decision-making process. they're taking into accountsurr also an approaching threat and they're calculating all along about what they're going to do next. >> reporter: for example, the moving rock trick. the hide and seek trick. and the suit of armor made of shells. as a scientist hanlon is skeptical about attributing um-like emotions to the octopus or comparing their level of intelligence to ours. oes sa rk? they're sglti >>nimal.ecisll the time. that takes a big brain. >> a big brain in a unique and mysterious creature that scientists are only beginning to unde

finally this half hourhatak ancestry llarhat ind my roots. >> that's the tin with all the film. >> reporter: davina schuman, a relative i never met, graciously gave me this glimpse -- >> be my guest. >> reporter: -- of the family i never knew i had. the levys were a conservative jewish family from cleveland. their patriarch harry levy the bald guy there is my great grandfather. and in the spring of 1930 one of his four daughters, we don't know which, gave birth out of wedlock to my mother. davina, one of harry's baby.imate >>ld be scandalous. really in those days. for this family. >> reporter: my mom died knowing none of this. she was raised by another couple. no formal adoption. no paper trail. so if not for dna testing my

ancestry would have remained a secret. a recent survey showed about a quarter of the people who take these tests find some kind of surprising result. or inurgthas mor definitive reg grandfather, an irish catholic railroad worker named frank black. >> i'm steve. >> reporter: this is his other daughter, carol. my new aunt. i see a little bit of my mother in you, actually. >> you do? >> yeah. >> reporter: and my new brother also named frank black. together they told me all i needed to know about my grandpa. how many wives? >> five. >> five wives. so thns an a-plus krark. >> about a d-minus. >> are there any characteristics? >> in the '30s he ran for office for councilman. >> he won? >> he lost. >> he was really a drinker. st. paddy's day camed. >> we were the apples that fell.

>> reporter: it certainly does make you question who you are. i grew up an eagle scout who went to catholic school. now i find my grandpa was casanovas and the levys were jewish. >> i'm jewish now. >> yes, if your mother's jewish then you're jewish, no question. >> mazel tov. but my new relatives allold me none of that matters. >> i just want you to come for thanksgiving. >> my favorite nephew. >> look deep enough into your past -- >> you say that to all the nephews. >> reporter: and odds are you'll find a family tree full of flowers and broken branches and a lot of leaves you don't recognize. but i think it's importa toembr. because whatever's there it's exactly what your tree needed. to grow the

it's thursday, january 16th, 2020. the this is the "cbs morning news". impeachment articles delivered. house sets the wheels in motion for president trump's impeachment trial in the senate as senators get sworn in today. >> there's a hoax going on over there. let's take care of it. winter blast horsepower hundreds of millions of people are in the path of a frigid storm system moving coast to coast. and a plane crash is into a utah neighborhood causing death and damage. into a utah neighborhood causing death and damage. captioning funded by cbs