Questões de Inglês da AMEOSC

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Parker Solar Probe: How Nasa is trying to 'touch' the Sun

   Nasa is all set to launch one of the most ambitious missions in its history. It's sending a satellite called the Parker Solar Probe into the Sun's outer atmosphere, or corona. Scheduled for launch on Saturday, the spacecraft promises to crack some longstanding mysteries about our star's behaviour.

(Adapted from: https://www.bbc.com/news/av/science-environment-45113552).

Read the text below to answer the question.

Parker Solar Probe: How Nasa is trying to 'touch' the Sun

   Nasa is all set to launch one of the most ambitious missions in its history. It's sending a satellite called the Parker Solar Probe into the Sun's outer atmosphere, or corona. Scheduled for launch on Saturday, the spacecraft promises to crack some longstanding mysteries about our star's behaviour.

(Adapted from: https://www.bbc.com/news/av/science-environment-45113552).

Read the text below to answer the question.

Parker Solar Probe: How Nasa is trying to 'touch' the Sun

   Nasa is all set to launch one of the most ambitious missions in its history. It's sending a satellite called the Parker Solar Probe into the Sun's outer atmosphere, or corona. Scheduled for launch on Saturday, the spacecraft promises to crack some longstanding mysteries about our star's behaviour.

(Adapted from: https://www.bbc.com/news/av/science-environment-45113552).

Read the text below to answer the question.

How octopuses ‘taste’ things by touching

   Octopus arms have minds of their own. Each of these eight supple yet powerful limbs can explore the seafloor in search of prey, snatching crabs from hiding spots without direction from the octopus’ brain. But how each arm can tell what it’s grasping has remained a mystery.

   Now, researchers have identified specialized cells not seen in other animals that allow octopuses to “taste” with their arms. Embedded in the suckers, these cells enable the arms to do double duty of touch and taste by detecting chemicals produced by many aquatic creatures. This may help an arm quickly distinguish food from rocks or poisonous prey, Harvard University molecular biologist Nicholas Bellono and his colleagues report online October 29 in Cell.

   The findings provide another clue about the unique evolutionary path octopuses have taken toward intelligence. Instead of being concentrated in the brain, two-thirds of the nerve cells in an octopus are distributed among the arms, allowing the flexible appendages to operate semiindependently.

(Adapted from: https://www.sciencenews.org/article/octopus-taste-touch-arm-suckers). 

Read the text below to answer the question.

How octopuses ‘taste’ things by touching

   Octopus arms have minds of their own. Each of these eight supple yet powerful limbs can explore the seafloor in search of prey, snatching crabs from hiding spots without direction from the octopus’ brain. But how each arm can tell what it’s grasping has remained a mystery.

   Now, researchers have identified specialized cells not seen in other animals that allow octopuses to “taste” with their arms. Embedded in the suckers, these cells enable the arms to do double duty of touch and taste by detecting chemicals produced by many aquatic creatures. This may help an arm quickly distinguish food from rocks or poisonous prey, Harvard University molecular biologist Nicholas Bellono and his colleagues report online October 29 in Cell.

   The findings provide another clue about the unique evolutionary path octopuses have taken toward intelligence. Instead of being concentrated in the brain, two-thirds of the nerve cells in an octopus are distributed among the arms, allowing the flexible appendages to operate semiindependently.

(Adapted from: https://www.sciencenews.org/article/octopus-taste-touch-arm-suckers).