Vol 7 test 4

inspired real interest

no real interest … until … published an account

recycling

chewed up … for re-use

recycling … of rubber

waste strips (of rubber)

hard

rigid

stabilise the substance

stabilise rubber

industry during the Industrial Revolution

steam engines found in factories, mills, mines and railways

the beginning of the motor car

the mass production of cars began / just over the horizon

inspired real interest

no real interest … until (Strongest)

produced using rubber

used rubber to make (Strongest)

recycling

re-use (Strongest)

hard

rigid (Strongest)

stabilise the substance

stabilise rubber (Strongest)

industry during the Industrial Revolution

steam engines (Strongest)

was developed

produced the first pneumatic tyre (Strongest)

beginning of the motor car

mass production of cars began (Strongest)

Scientific evidence that divided sleep is a natural phenomenon

research implies / historical evidence humans used to sleep in two distinct periods

interrupted sleep became uncommon

references to the first and second sleep started to disappear

historical reasons

Ekirch attributes the initial shift to…

preventing people from falling asleep again

wake during the night and have trouble getting back to sleep

potential health issues related to sleep

over 30% of the medical problems … stem directly or indirectly from sleep

threat of criminal danger

thieves or worse

physicians should learn more

sleep has been ignored in medical training / this needs to change

anxiety discourages sleep

anxious … this anxiety can itself discourage sleep

soon after

not long following sunset

consider the meaning of dreams

analyse their dreams

the commonest type of dune

over half … is classified as linear sand dunes

a potential threat to industry and communications

burying crops and buildings

needing a specific combination of conditions

only tend to form where … one-directional winds … near coastal areas

a continuous cycle

regulate its own shape, and maintain it as it moves

recreating the process in a laboratory

replicate the sound at ENS

strange music created by human movement

dunes actually sing

develop in a recognisable shape

form in a long curving wave

its outline stays the same even after a period of movement

regulate its own shape, and maintain it as it moves

forming a sound wave

creating a powerful sound wave

have a similar shape

the grains are a uniform shape

differences in dimensions

variations in size

the song

the tone

mixture of different minerals

a precise combination of minerals