41 Matching Annotations
  1. Mar 2021
  2. Feb 2021
  3. Feb 2020
    1. hook and line

      The quintessential fishing method, which uses a hook with a lure or bait attached to entice fish to bite on to the hook. Ensnared fish are then pulled to the surface for capture or release. This targeted fishing method allows scientists to minimize the impact of their research on other non-target fish that could end up as by-catch in nets, cages, and other gear. Also called "pole and line" fishing, this method can be used to make commercial fishing more sustainable, as in the case of tuna-fishing in the maldives, which you can read more about at The Guardian: https://www.theguardian.com/sustainable-business/pole-line-fishing-sustainability-tuna-market

    2. We used bio-logging to quantify the daily activity cycles

      Many of the news articles written about this study compare the methods used here to study sharks to the black-box flight recorder technology that is used to continuously collect in-flight data on airplanes--information that becomes particularly important in the event of a plane malfunction/crash.

      Although no mention of 'black-box technology' is made in this paper, interviews with the author typically relied on this comparison to communicate the methods of the study to the public. Read one such example at Engineering and Technology: https://eandt.theiet.org/content/articles/2015/06/black-box-technology-shines-light-on-shark-behaviour/

  4. Dec 2017
    1. Ecological, genetic, and geological data suggest that gene flow was disrupted for the remaining three pairs by environmental change several million years before the land barrier was complete.

      Biological evidence supports an early and complex emergence of the Isthmus of Panama, Christine D. Bacon, PNAS, DOI: 10.1073/pnas.1423853112

      https://phys.org/news/2015-04-evidence-isthmus-panama-earlier-thought.html

      According to phys.org, a newly published paper suggests that the Isthmus of Panama was formed earlier than conventionally believed. The article states that the isthmus was formed in a stop and go manner over 20 million years ago; meaning that migration of organisms could have also followed the same trend. If migration of animals between North and South America started earlier, then the minimum time required for strong reproductive isolation may actually be longer than 3.5 million years. (JP)

    2. a cessation of circulatory connections across the Panama seaway between 12.9 and 7.0 Ma as a result of altered current patterns, followed by return of a restricted shallow water connection that shoaled to a depth of less than 50 m

      Genetic divergence was observed to have occured at different moments when oceanic changes like the haulting of certain currents across the Panama seaway and the shallowing of certain areas. (DV)

    3. intolerant behavior

      The intolerant behavior that has been observed in snapping shrimp known as snapping is the production of a water jet created by the larger claw that creates a loud "pop" sound. Although, it has been discovered that the actual threat in this behavior is the subsequent shock wave that comes after the water jet. (DV)

      Read more in Shrimp shootouts end with a shock wave bang: http://www.sciencemag.org/news/2017/10/shrimp-shootouts-end-shock-wave-bang?utm_campaign=news_daily_2017-10-30&et_rid=17774509&et_cid=1632982

    1. References and Notes

      The economic value of grassland species for carbon storage is one of the first papers to monetarily quantify the gain or loss of a species from an ecosystem. Even slight additions (as little as one additional species) to the current U.S. Department of Agriculture's Conservation Reserve program could save hundreds of millions of dollars.

      Read more in Michigan News: http://ns.umich.edu/new/releases/24732-diversity-dividends-the-economic-value-of-grassland-species-for-carbon-storage

      SC

    2. References and Notes

      This article by Hungate et. al applies its findings to the Conservation Reserve Program, attempting to estimate species richness of CRP. This article ( D. L. Carter, J. M. Blair, Recovery of native plant community characteristics on a chronosequence of restored prairies seeded into pastures in West-Central Iowa. Restor. Ecol. 20, 170–179 (2012). ) is cited, yet this cited paper specifically does not use CRP grasslands, suggesting an error on the part of Hungate et. al.

      Read more at PrarieBotanist: https://prairiebotanist.com/2017/04/11/a-brief-comment-on-the-economic-value-of-grassland-species-for-carbon-storage/

      SC

    1. rescued memory deficits and network aberrations

      Promising Alzheimer’s ‘drug’ halts memory loss (https://www.sciencedaily.com/releases/2013/06/130626184019.htm) I found this article interesting because it talked about p38 alpha. At the beginning of the article by Arne Ittner (2017) mice with depletion of p38 alpha, beta, gamma, and delta were all tested. Only p38 gamma depletion had an effect on PTZ seizures, so they tested p38𝛾 and its effect on mice with AD. This article from Northwestern University focuses on how p38 alpha becomes overactive in AD patients. Overactive p38 alpha leads to damage in the synapses by impairing glial cells protective abilities, disrupts the signal between neurons, and releases toxic molecules that can lead to more damage.

    2. revealing an Aβ toxicity–limiting role of p38γ in AD

      Discovery opens door to new Alzheimer’s treatments (https://www.sciencedaily.com/releases/2016/11/161117151205.htm) This article connected with our paper in many ways. Alzheimer’s patient have two things, protein plaques made from amyloid-beta, and tau tangles that are phosphorylated by the kinase. When tau is phosphorylated, it forms tangles. So we thought. What the study found is that when tau is initially phosphorylated, it is for protection. They focused on a protein kinase, p38𝛾, and found that is assists in phosphorylating tau and interferes with the amyloid-beta toxicity. When removed, Alzheimer's progresses. When reintroduced, it was therapeutic and helped halt Alzheimer’s progression.

  5. Nov 2017
    1. Assemblages of insect herbivores were dissimilar between populations of ecotypes from different habitats, as well as from the same habitat 100 km distant.

      In Africa, there is a food crisis leaving millions of people without corn, a very important crop for Africa. The reason for these crops not being edible is that a certain species of worm invaded a field of corn and rapidly spread to neighboring farms, killing millions of corn crops leaving thousands hungry. This proves the point how insects differ from each-other depending on what type of plants are around, since this worm is always flocking to this one crop.

      Link:A table showing variation in herbivore communities and relative abundance of leaf secondary metabolites

      -Otniel Gonzalez

    1. Ecological, genetic, and geological data suggest that gene flow was disrupted for the remaining three pairs by environmental change several million years before the land barrier was complete.

      Biological evidence supports an early and complex emergence of the Isthmus of Panama, Christine D. Bacon, PNAS, DOI: 10.1073/pnas.1423853112

      https://phys.org/news/2015-04-evidence-isthmus-panama-earlier-thought.html

      According to phys.org, a newly published paper suggests that the Isthmus of Panama was formed earlier than conventionally believed. The article states that the isthmus was formed in a stop and go manner over 20 million years ago; meaning that migration of organisms could have also followed the same trend. If migration of animals between North and South America started earlier, then the minimum time required for strong reproductive isolation may actually be longer than 3.5 million years. (JP)

    2. a cessation of circulatory connections across the Panama seaway between 12.9 and 7.0 Ma as a result of altered current patterns, followed by return of a restricted shallow water connection that shoaled to a depth of less than 50 m

      The formation of the Isthmus of Panama has been attributed to the ceasing of currents and changes to the depths of certain areas and levels of sand. It has been reinforced by a similar and more recent research that these changes are some of the major influences of divergence within the snapping shrimps species. (DV)

      Read more in New dates and new rates for divergence across the Isthmus of Panama: http://rspb.royalsocietypublishing.org/content/265/1412/2257

    3. intolerant behavior

      The intolerant behavior that has been observed in snapping shrimp known as snapping is the production of a water jet created by the larger claw that creates a loud "pop" sound. Although, it has been discovered that the actual threat in this behavior is the subsequent shock wave that comes after the water jet. (DV)

      Read more in Shrimp shootouts end with a shock wave bang: http://www.sciencemag.org/news/2017/10/shrimp-shootouts-end-shock-wave-bang?utm_campaign=news_daily_2017-10-30&et_rid=17774509&et_cid=1632982

  6. Nov 2016
  7. Aug 2015
  8. Jul 2015

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