this is the nautilus. this one has a shell and has been around for half a billion years. it seemingly has a much simpler brain than the others. it has been dismissed as just a floating fossil but it is actually -- it has actually been proven to have an impressive memory. for me, this is a reminder that while many animals may only be -- that does not make them any less worthy of our appreciation. >> don't judge on appearances. thank you, peter. we are going to move onto test 24. >> in this week's test 24, we will look at a set of devices to increase your safety on the road and especially on motorcycles. i can see that peter is all geared up. >> this is a smart brake light. you can clip it onto the bag or the back of your helmet or the back of your bike and it can sense when you break and decelerate. it will light up when you do so and you can even use this device to connect to your handlebars and make it work as an indicator. if you get tipped off your bike, it will sense that you're no longer moving and it will connect the app to tell a family member or a friend to alert

. >>> all right, at home fitness equipment maker nautilus and on-demand giant peloton clear winners ing higher today. but the question is, will reopenings of gyms across the country threaten all of those at-home all-stars? enter exponential fitness which owns some of the hottest names in the fitness industry. the ceo is here on his latest acquisition and why he's not pulling any punches when it comes to tko-ing his at-home rivals. closing bell ringing in about 29 minutes from now. the stocks con to, well, they're -- continue to, well, they're up at session highs. check out the dow, up 224 points heading towards the final bell. we'll be right back. ♪ ♪ obsession has many names. this is ours. the lexus is. all in on the sports sedan. lease the 2021 is 300 for $369 a month for 36 months. experience amazing at your lexus dealer. i really hope that this vaccine can get me one step closer to him. to a huge wedding. to give high fives to our patients. to hug my students. with every vaccine, cvs is working to bring you one step closer to a better tomorrow. re-entering data that employees could