What are the policy changes that could facilitate the development and uptake of new male contraceptives?

Oct 19, 2023 ... Pedro Huertas, 69, of Pasadena, California, pleaded guilty to a misdemeanor charge of unlawfully importing wildlife parts (carvings from sperm whale teeth and ... Exposed in such a light, I hope they will lose much of their power to harm us. Egg and sperm: A scientific fairy tale. At a fundamental level, all major ... ... semen specimen. These males are typically Tanner stage III and/or > 12 years of age, and have been in puberty 1-2 years. Semen is produced via masturbation ... Sep 22, 2021 ... The Lacey Act makes it a crime to sell in interstate commerce wildlife possessed in violation of any state law when in the exercise of due care ... Mar 15, 2022 ... Heather Steele, Eyes High postdoc in the Faculty of Veterinary Medicine, is researching how to grow sperm in the lab. ... sperm penetration measured in DETs, direct measurements were made of concentration profiles of the spermicide nonoxynol-9 (N9) after diffusion into mucus ... May 7, 2024 ... Sperm whales have lengthy exchanges, made up of clicks, which scientists have found is more complex than previously thought. Mar 13, 2025 ... So, to make a sperm whale out of sperm we'd need at least 41,000 Liters of sperm (which is equal to 41 Cubic Meters). The average amount that a ... Two male sperm whales (Physeter macrocephalus) stranded along the northern California coast with large amounts of fishing net scraps, rope, and other plastic ... Last year, a piece of news from France, which reported that the transformation of stem cells into sperm cells with a developed tail structure had been achieved ...