‘Summer Hero' Bear Seen Swimming and Drinking Alcohol in Backyard https://learningenglish.voanews.com/a/4465503.html
dip
v. to go swimming, to get into a pool
lo and behold
exclamation showing wonder or surprise
toss
v. to throw (something) with a quick, light motion
relaxing
adj. helping you to rest and to feel less tense, worried, nervous, etc.
yard
n. an outdoor area next to a house often covered by grass
spirit animal
n. an animal that you choose or that chooses you as a guide in life
nap
n. a short period of sleep especially during the day
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Study: AIDS Drug Not Linked to Depression, Thoughts About Suicide https://learningenglish.voanews.com/a/4463494.html
negative
adj. harmful or bad; unwanted
associate
v. to think of one person or thing when you think of another person or thing
metabolism
n. the chemical processes by which a plant or an animal uses food and water to grow and heal and to make energy
randomized
adj. of or related to something lacking aim, direction or rule
neural tube
n. a structure from which the brain and spinal cord form
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http://www.bbc.co.uk/learningenglish/english/course/english-you-need/unit-13/session-3
