It's the latest setback in a field marked by failure. Earlier this month, Pfizer and Johnson & Johnson said they were dropping development of a similar experimental drug after big clinical studies showed it wasn't working.
In his book Incognito: The Secret Lives of the Brain neuroscientist David Eagleman says "most of what we do and think and feel is not under our conscious control." Eagleman discusses the book, and his latest research on the possible link between time perception and schizophrenia.
More than 100,000 people have fled to refugee camps in South Sudan to escape fighting in Sudan and find food. Heavy rains have depleted supplies and raised mortality rates above emergency levels. The United Nations has launched emergency airdrops of food to help the refugees.
Human breast milk has health benefits for infants, but many mothers can't nurse their babies. Donor milk banks in some hospitals are looking to improve infant health by distributing breast milk donated by other nursing mothers.
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