Eyes

Questions

1. What color are your eyes?
2. Do people wear color contact lenses in your culture?
3. Are video games good for hand-eye coordination?
4. Did your teacher have an eagle eye?
5. Have you ever had a black eye?
6. What makes a movie good, in your eyes?
7. “An eye for an eye makes the whole world blind.” Do you agree with this?
8. What does “beauty lies in the eye of the beholder” mean?

Videos

Explore the science of the phenomenon of “floaters,” those tiny blobs that swim across your field of vision.
Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you

[more]

might see things floating across your field of vision. What are these moving objects, and how are you seeing them? Michael Mauser explains the visual phenomenon that is floaters.

Lesson by Michael Mauser, animation by Reflective Films.

[less]

Category:  Science
Keywords: Eyes | Light
Discover how evolution and natural selection influence why the human body has vestigial organs— body parts that no longer serve their original purpose.

[more]


You know that little pink thing nestled in the corner of your eye? It’s actually the remnant of a third eyelid. In humans, it’s vestigial, meaning it no longer serves its original purpose. There are several other vestigial structures in the human body, quietly riding along from one of our ancestor species to the next. But why have they stuck around for so long? Dorsa Amir investigates.

Lesson by Dorsa Amir, directed by Avi Ofer.

[less]

Category:  Science
Keywords: Body | Eyes

Look alive, you! Today we’re diving into the science behind dark circles under your eyes, and all the things that might cause them – tiredness included.

Category:  Science
Keywords: Eyes | Sleep
Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through

[more]

basal, reflex and emotional tears.

Lesson by Alex Gendler, animation by The Moving Company Animation Studio.

[less]

Category:  Psychology | Science
Keywords: Crying | Eyes

Vocabulary:
cove
secluded
float
shore
anchor
lighthouse
greenhouse
handsaw
hammer
power tool
nail
board (noun)
ton
land sick
biomass
canoe
paddle
real estate
prosper
fulfilled

Expressions:
subsistence living
hon

Vocabulary:
word
word
word
word
word
word
word
word
word

Expressions:
expression
expression
expression
expression

Vocabulary:
prestigious
involuntary
swindler
fraudulence
unwarranted
concern
unfounded
impostor
syndrome
faculty
pervasive
prevalent
disproportionately
underrepresented
downplay
abnormality
self-esteem
spiral
accolade
threshold
susceptible
voice (verb)
peer
dismiss
excel
ease
mentor
competence
banish
frank

Expressions:
nagging doubt
shake a feeling
put something to rest
surefire way

Vocabulary:
filmmaker
principle
handcuff
clown
distill
underdog
aspect
familiar
unfamiliar
chopsticks
keyboard
organic
grounded
clarity
stuntman
steady
gag
perfectionist
rhythm
distinct
continuity
elbow
bunch
flail around
unlike
invincible
impressive
humanize
asset
payoff
relentlessness
finale

Expressions:
kick ass
going above and beyond
get smacked in the face
sell a joke

Vocabulary:
explosion
smoke (noun)
engine
unique
pilot
route
unemotional
terror
instant
reach out (to someone)
postpone
urgency
purpose
regret
humanity
ego
reflect
eliminate
frame (verb)
artistic
talent
bawl
miracle

Expressions:
bucket list
brace for impact
mend fences
make sense
connecting dots