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The Latest: Mayor concedes communication lapses in flooding
SAN JOSE, Calif. (AP) — The Latest on storms in California (all times local):
Seven Earth-like planets discovered around single star
Researchers announced Wednesday the stunning discovery of seven Earth-like planets orbiting a small star in our galaxy, opening up the most promising hunting ground so far for life beyond the Solar System. All seven roughly match the size and mass of our own planet and are almost certainly rocky, and three are perfectly perched to harbour life-nurturing oceans of water, they reported in the journal Nature. Most critically, their proximity to Earth and the dimness of their red dwarf star, called Trappist-1, will allow astronomers to parse each one's atmosphere in search of chemical signatures of biological activity.
College Board tightens SAT exam security, but key risk remains
![College Board tightens SAT exam security, but key risk remains]( "College Board tightens SAT exam security, but key risk remains")
The New York-based College Board said the steps include reducing the number of times the test is given outside the United States and increasing the auditing of test centers. As Reuters reported last year, the College Board has failed to stop a widespread and known security problem. Asian test-preparation companies are gathering questions and reading passages from past SAT exams, and then giving their clients that material to practice upon.
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