♪♪ [ Suspenseful music plays] ♪♪ Ah, meh-meh-meh-meh-meh-meh-
meh-meh-meh-meh-meh-meh. ♪♪ [ Alarm rings ] Aah! Don't start the test without me! ♪♪ Oh. This isn't high school. [ Gasps ] Oh.
And I'm not in my underwear. Good. That teenage nightmare
reminds me of another one -- not getting enough sleep. [ Alarm rings ] For teens, hitting the snooze is a matter of biological necessity. Puberty can cause a delay in our bodies'
circadian rhythms, Puberty can cause a delay which drives us to burn
the midnight oil. So teens aren't just staying p
late to Snapchat and hashta. It's because
they are hard-wired to. And this puts them at a major disadvantage when they have to wake up eary for school. And this puts them at a major disadvantage The average school starts at 8:00 a.m., and nearly 10% of U.S. high schools begin at or before 7:30. That is way too early! Doctors recommend
adolescents get between 8 1/2
and 9 1/2 hours a night, Doctors recommend
adolescents get which is pretty hard to do
when your body needs you to stay up late
playing "Fortnite" which is pretty hard to do
when your body needs you and your teacher needs you to stop snoozing
in your 7:00 a.m. Spanish class. and your teacher needs you Besides not doing well in school, sleep deprivation can make you
sicker and more depressed. This is why
the American Medical Association is practically begging
middle and high schools to change their start times
to 8:30 or later 'cause, look,
being a teen is hard enough. [ Inhales sharply ] And later start times
would help teens feel better and do better in school just by letting them catch
a few more Z's. Now, if you'll excuse me... [ Snoring ] Ah, meh-meh-meh-meh-meh-meh-
meh-meh-meh-meh-meh-meh. I mean, really, what is it? These meals are so inedible they've become
a decades-old punch line. These meals are so inedible But why? Why is it so hard
to slap together But why? a decently edible sandwich at 35,000 feet? Airlines have tried to make their food tastie, a decently edible sandwich at 35,000 feet? going so far as to hire
famous chefs like Gordon Ramsy to overhaul their menus. But still,
these in-flight offerings continue to be
pretty unappetizing. Well, it's not
all the chefs' fault. continue to be
pretty unappetizing. When it comes to airline food, the issue is simply scientifi. Smell is a big part of tast, and up in the air,
our nasal passages are dryer than
the 18th Amendment. Plus, the cabin pressure makes our taste buds less sensitive. are dryer than
the 18th Amendment. Even the loud cabin noises are dryer than
the 18th Amendment. can actually dampen your sense of taste. are dryer than
the 18th Amendment. To overcome this,
airlines offer even saltier
or spicier selections To overcome this,
airlines offer to reach
your weakened taste buds. But if you really want
to improve your culinary experience
on board, But if you really want
to improve you can try noise-canceling headphones or you can hydrate
your nasal passages, which, take it from me,
is way more fun than it sounds. ♪♪ if your friend gets stung
by a jellyfish, the best remedy is to pull
a Joey and pee on 'em. if your friend gets stung
by a jellyfish, But peeing on jellyfish stings
can actually make them worse. Our full-bladdered friends
might be trying to help, But peeing on jellyfish stings
can actually make them worse. but it turns out that their pee But peeing on jellyfish stings
can actually make them worse. isn't nearly as powerful
as they'd like to think. When you pee on a jellyfish sting, it can actually cause the sting
to release more venom, When you pee on a jellyfish sting, which will make it hurt worse than a break-up
on your birthday. Not that I know from experiene or anything. than a break-up
on your birthday. Rinsing the sting
with salt water than a break-up
on your birthday. will deactivate
some of the venomous cells and, depending on which type
of jellyfish stung you, you can also use vinegar and, depending on which type
of jellyfish stung you, or a mixture of sea water
and baking soda. and, depending on which type
of jellyfish stung you, But, more importantly, if your friend gets stung, don't try and fix it with pee. But, more importantly, if your friend gets stung, You're not offering anybody any relief by relieving yourself on them. You're not offering anybody any relief Speaking of which,
I have to relieve myself, so... You're not offering anybody any relief I got to go. [ Chuckles ] You're not offering anybody any relief Man, I really got to pee. You're not offering anybody any relief ♪♪♪ You might think you need
to slather your skin ♪♪♪ in SPF 1 million
before you sunbathe, but like a job candidate who lists Word as a special skill
on their résumé, high-SPF sunscreens have
less to offer than you'd think. as a special skill
on their résumé, SPF, or sun protection factor, tells us how much UVB radiation
a sunscreen can block. But what SPF doesn't measure is
how a sunscreen blocks UVA rays. UVB rays are the ones that make you burn, but UVA rays cause just as much
skin-damaging radiation. So if you're using
a super-high SPF, you may avoid looking like an embarrassed lobster, but you're still receiving
harmful radiation. High SPF may make you
feel safe enough but you're still receiving
harmful radiation. to stay in the sun
instead of covering up, but you're really not
doing yourself any favors by grabbing a bottle above SPF 50. But don't go below SPF 30,
either, by grabbing a bottle above SPF 50. because lots of us actualy only get about a third of the labeled SPF value 'cause we don't slather it on
as thick as we should. Well, not me. I'm very good
at laying it on thick. ♪♪♪ I'm very good
at laying it on thick. with their trusty loofah. But did you know your loofah
may actually be making your skin dirtier? After you're done scrubbing
with your sudsy-budsy, you usually leave it
in the shower, After you're done scrubbing
with your sudsy-budsy, a humid environment
that bacteria loves more than a toilet handle at an all-you-can-eat buffe. That bacteria chows down on the skin cells
you sloughed off in the loofah. And then, when you come back for your next scrub, on the skin cells
you sloughed off in the loofah. you rub-a-dub-dub
all that bacteria back on to your skin. In the worst cases, this can cause some pretty nasty
staph infections. But even if that doesn't happen,
this scratchy sponge still isn't a very good way to clean yourself, unless you just got back frm a mud wrestling tournament. This is because your loofah
can scrub away unless you just got back frm a mud wrestling tournament. the natural oils your skin needs
to stay moisturized. So you're probably best off
ditching the loofah altogether. If you really want to look good, all you need is
a little hair gel. If you really want to look good, Or a lot.
A whole lot. If you really want to look good, Oh, wow, that's crispy. If you really want to look good, ♪♪♪ If you really want to look good, ♪♪♪ but have you ever wondered wh? In America, more househols
have dogs than cats, but online, we're all feline fanatics. It's because cats' lack
of visible emotion allows us to see what we want, so we can project
all of our feelings onto them, like confusion or hunger or grumpiness
at our annoying co-worker John, who keeps stealing our pes and then not returning them, as though I don't need pens. I mean, I do need to write.
I am a writer. We have to write scripts.
I must have pens! [ Breathes deeply ] Cats aren't the only animals who hold humans hostage
with their mysterious mugs. For example, in Uganda, chickens go viral. To members of Ugandan farming communitie, the familiarity
of chickens and goats To members of Ugandan farming communitie, makes them more relatable
and intriguing than cats. To members of Ugandan farming communitie, So, while we're passing around
our cat videos, To members of Ugandan farming communitie, they're busy laughing at chickens in sneakers. [ Chuckling ] And I mean, they got a point. they're busy laughing at chickens in sneakers. Look at that dumb chicken. they're busy laughing at chickens in sneakers. Chickens don't need shoes. they're busy laughing at chickens in sneakers. What? Is that chicken
gonna go play basketball? they're busy laughing at chickens in sneakers. You can't dribble without hands,
chicken! [ Chuckling ]
Oh, man, Ugandans are right -- that chicken's hilarious. ♪♪ that chicken's hilarious. Nobody finds my facts annoying. Nobody finds my facts annoying. Nobody finds my facts annoying. You know, no matter how much
I repeat it, I can't shake the fear
that it's not true. And that's because mantras are often a pretty bad way to boost your self-esteem. And that's because mantras are often a pretty bad way Yes, while those New Age phrases
your life coach And that's because mantras are often a pretty bad way tells you to repeat
can be helpful for some peopl, studies show that for others,
they do nothing or even backfire
and make them feel worse. In fact, if you're repeating
a wide-sweeping mantra of something aspirational, like
"I'm well-liked by everybody," In fact, if you're repeating
a wide-sweeping mantra it can sometimes convince you of the opposite... because it triggers your brain it can sometimes convince you of the opposite... to think of contradictory examples. Moderate statements like "I'm well-liked by my turtles" don't arouse as many
contradictory thoughts. So if you want to repeat
statements to yourself, try to focus on statements you mostly believe to be true, like "This mantra
might not help me that much." Or "I am great at
repeating words to myself while staring at a mirror." 'Cause that's true. while staring at a mirror." ♪♪♪ Some say that sitting is the new smoking. And chances are, right now,
you're watching this video sitting on your butt. But don't rush to stand up, because standing can
actually be bad for you. While too much sitting
can increase the risk because standing can
actually be bad for you. of heart failure
and shortened life expectancy, there's actually
not much evidence that standing desks diminish that harm. there's actually
not much evidence People claim that they provide
major health benefits there's actually
not much evidence like weight loss,
but the truth is, standing all day doesn't burn
many more calories than sitting. The difference can be
as insignificant as 8 calories an hour, The difference can be
as insignificant which is about as many caloris as in one measly almond. The difference can be
as insignificant And that one almond
may not be worth The difference can be
as insignificant the negative effects of standing still. One study showed that people who stand for work were more likely to be
hospitalized for enlarged veins. One study showed that people who stand for work Standing still for long periods of time can also cause blood to pool in your feet, which can make your ankles swell up like a Thanksgiving Day
parade balloon. Standing and sitting
are both fine in moderation. But if you really want to have a healthier workday, Standing and sitting
are both fine in moderation. you'll reap way more benefits from taking the stairs, walking to lunch,
and generally incorporating more activity
into your daily life. So don't feel bad that you wee
sitting watching this video. more activity
into your daily life. Just get up now
and go for a walk. Seriously. Get up. Just get up now
and go for a walk. I'll wait. ♪♪♪ I'll wait. ♪♪♪
