What temperature gradients might guide sperm?

Oct 5, 2017 ... The 25 th of September was to become a very special day in the history of sperm whale watching in the Strait of Gibraltar. Feb 10, 2022 ... The popularity of sperm whale oil led to a huge expansion in the industry at the beginning of the 18th century. While bowhead and North Atlantic ... 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 ... Jun 11, 2021 ... It is generally known that most men produce millions of new sperm every day. However, you might not know that these new sperm take about 74 days to fully ... Dog Sperm Transport box made of Neopor ... Transport box made of highly insulating Neopor (Minitübe) with 2 ice-packs, 1 syringe (10 ml), 1 syringe (5 ml), a ... Jun 24, 2022 ... A vasectomy is a permanent form of male birth control. It blocks sperm from getting into the fluid that leaves the penis during ejaculation. PSA is an enzyme present in male semen that helps sperm motility. In addition, female ejaculate usually contains fructose, a form of sugar. Fructose is also ... May 18, 2024 ... It also contains 5 to 25 calories, and is made up of small amounts of essential nutrients, including: Calcium; Citrate. Fructose; Glucose ... Most of the fluid in semen is made up of secretions from male reproductive organs. Semen contains citric acid, free amino acids, fructose, enzymes, ... Dec 11, 2003 ... Researchers have crossed this bridge by coaxing uncommitted stem cells to grow into sperm cells in a petri dish. They then injected the sperm into eggs.