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Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Relative Energy Consumption per Person for Selected Countries
Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Infants often rely on a caregiver as a secure base when they meet a new person.
n electron micrograph revealing nucleosomes appearing as “beads"
Making moves