Examlex
The ability of one group of cells to influence development of neighboring cells is called gastrulation.
Holocene
The current geological epoch, which started approximately 11,700 years ago after the last major ice age.
Carbon Dating
A method used to determine the age of an artifact or remains by measuring the amount of carbon-14 present, which decays over time.
Radiometric Dating
A method for determining the age of an object based on the decay rate of radioactive isotopes contained within it.
Half-Life
The time required for half the quantity of a radioactive substance to undergo decay or for a drug's concentration in the body to be reduced by half.
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