Reduced fertility prolongs the interval from calving to conception in dairy cows, resulting in significant economic losses to dairy farms. Up to 25% of cows are culled due to reproductive failure, and ...

Simply sign up to the Chinese economy myFT Digest -- delivered directly to your inbox. The writer is a senior adjunct researcher at the Rand Corporation’s China Research Center and senior associate ...

As I pointed out in the article referred to by Prof. Thomson Flynn in NATURE of June 30, p. 1020 (Biol. Rev., 2, 129; 1927), parturition is certainly due to several factors, of which the decline of ...

Timing. An IUD can be safely inserted at any time during the menstrual cycle. Traditionally, clinicians have been taught to insert an IUD during menses because the patient was very unlikely to be ...

“Involution” (内卷化) has taken the Chinese internet by storm in the last two years, becoming one of the most commonly used terms online in 2020. It implies a growing sense of futility that many young ...