4 Awesome Discoveries You Probably Didn’t Hear About This Week Episode 15

The video covers four scientific discoveries: how plants use calcium signals to alert themselves of insect attacks, a new passive antifrosting technology using ice chemistry, a study identifying four personality types based on data analysis, and research on insect wing patterns using a computer model. Each discovery highlights innovative approaches and potential applications in various fields.

How do plants signal an attack from herbivores?

• By releasing a sweet scent

• Through calcium signals

• By changing leaf color

• Through rapid leaf movement

What activates the chemical response in plants when they are wounded?

• Glutamate

• Chlorophyll

• Photosynthesis

• Oxygen

What is unique about the new antifrosting technology?

• It uses heat to melt ice

• It requires constant maintenance

• It relies on the chemistry of ice itself

• It is powered by solar energy

Which of the following is NOT one of the four personality types identified by scientists?

• Self-centered

• Reserved

• Introverted

• Average

How do researchers study the unique patterns on insect wings?

• By observing them under a microscope

• By using a computer model to simulate patterns

• By painting them with special dyes

• By comparing them to human fingerprints