Experimental model and subject details Zebrafish husbandry Zebrafish were reared at 28.5 °C in 14–10-h light–dark cycles (conductivity of 1,000 μS, adjusted via Instant Ocean Sea Salt (approximately 30 g l−1), pH 7.0, adjusted using sodium bicarbonate)69. Zebrafish from 5 to 14 days post-fertilization were fed rotifers and used for experiments. All experiments complied with protocols approved by the
Global warming isn’t just about heat during the day. Nights are also getting hotter1–3. In May, Delhi recorded an overnight minimum temperature of 32.4 °C, and other parts of India remained 3–5 °C above normal after dark. As Western Europe experienced its hottest June on record, France registered a record overnight low of 22 °C, and East Saxony,
Naked mole rat queens produce a chemical that prevents other females from reproducing.Credit: Neil Bromhall/Getty Naked mole rat (Glaber heterocephaly) queens produce a chemical that prevents other females in their colony from reproducing. A study published today in Nature suggests that this compound maintains a strict social structure that is dominated by a queen, even