News
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ChemistryConcerns over bisphenol A continue to grow
Recent research finds that the hormone mimic may be more prevalent and more harmful than previously thought, highlighting why BPA is a growing worry for policy makers.
By Janet Raloff -
Health & MedicineSchizophrenia risk gets more complex
Three studies find that large collections of variants, rather than just a few key mutations, probably predispose someone to schizophrenia.
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Psychology2-year-olds possess grammatical insights
Toddlers discern basic rules for using nouns and verbs at least one year before speaking in complete sentences, French brain researchers report.
By Bruce Bower -
LifeSalamanders don’t regrow limbs from scratch
A closer look at regeneration in axolotl amputees shows that tissue replacement relies on cellular “memory.”