Science in the news quiz.

Directions: Read the late-breaking news in our Science News section on pages 4 to 7. The test your knowledge by answering the questions below. Circle the correct letter.

 1. One private company has cloned a human
    embryo as advanced as a blastocyst.

    a. True
    b. False

 2. To create a human embryo, an egg is

    a. incubated.
    b. injected with extra DNA.
    c. fertilized.
    d. all the above.

 3. A cloned egg is coaxed to divide through

    a. sperm.
    b. another egg and DNA.
    c. chemicals and hormones.
    d. pep talks.

 4. AUTOnomy is mostly propelled by

    a. carbon dioxide.
    b. hydrogen.
    c. helium.
    d. methane.

 5. When it comes to burning fuel, AUTOnomy is
    "clean" because it emits

    a. nothing.
    b. carbon monoxide.
    c. water vapor and heat.
    d. carbon dioxide and steam.

 6. AUTOnomy's fuel cells and electric motors
    eliminate the need for a car's

    a. engine.
    b. brakes.
    c. ignition.
    d. tires.

 7. If the 2001 YB5 asteroid had struck Earth, it
    would have wiped out an area larger than

    a. China.
    b. France.
    c. U.S.
    d. Canada.

 8. The 2001 YB5 asteroid was detected by

    a. telescope.
    b. meteorite hunters.
    c. computers aboard the International
       Space Station.
    d. none of the above.

 9. How was a cat lured to nurse orphaned
    squirrels?

    a. The cat was blindfolded.
    b. The squirrels wore camouflage.
    c. The scent of newborn kittens was rubbed
       on squirrels.
    d. Similar maternal instincts exist between the
       species.

10. How can squirrels survive off cat's milk?

    a. Milk contains water and lactose.
    b. They are both mammals.
    c. Their milk composition is similar.
    d. All of the above.

    Take It Further

11. Research and debate the pros and cons of
    human cloning.

12. While AUTOnomy is still conceptual, research
    the benefits of an existing, environmentally
    friendly means of transportation.

ANSWERS

1. b 2. c 3. c 4. b 5. c 6. a 7. b 8. a 9. c 10. d