Science
- Volume 380
- Issue 6641
- 14 Apr 2023
COVER This image depicts a variety of sperm trying to reach an oocyte. Some sperm are abnormal, and some of those are patched up—alluding to treatments that can overcome some types of sperm abnormalities to achieve viable offspring. Conversely, some healthy sperm are blocked by walls, which represent contraception. See the special section on human reproduction beginning on page 148.
Illustration: Sara Gironi Carnevale
ReviewsBy
- Qing Sang
- Pierre F. Ray
- et al.
Understanding the genetics of human infertility
Research ArticlesBy
- Xing Yuan
- Yumiao Wang
- et al.
A global transition to flash droughts under climate change
Research ArticlesBy
- Nicole B. Rockweiler
- Avinash Ramu
- et al.
The origins and functional effects of postzygotic mutations throughout the human life span
Research ArticlesBy
- Manuela Thienel
- Johannes B. Müller-Reif
- et al.
Immobility-associated thromboprotection is conserved across mammalian species from bear to human
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