Similarly, the male sand goby is relentless about guarding his eggs from predators, but even if he has plenty of extra food available, he will still eat about a third of his brood. Research into how he decides which eggs to keep and which to eat reveals that size matters: male gobies tend to eat the largest eggs.
The CSB report found that the permit-required confined space rule set by OSHA does not prohibit entry or work in confined spaces where the concentration of flammable vapor exceeds ten percent of the chemical's lower explosive limit, or LEL.
VirchowâRobin spaces are interstitial fluid-filled potential spaces that surround cerebral arteries and arterioles.[4,8] These spaces are normal anatomical structures within the brain and are believed to be in contact with the lymphatic drainage channels of the head and neck and drain to the cervical lymph nodes.