Etnopedagogy Approach To Science Learning In Sdn 50 City Of Ternate Based On The Local Wisdom Of Rempah North Maluku

Local wisdom-oriented learning in elementary schools in the city of Ternate has not been implemented optimally. In general, schools have implemented thematic learning that should contain local wisdom. Ethnopedagogy is the actualization of learning oriented to the cultivation of local wisdom values. Ethnopedagogic aproach in elementary schools need to be implemented through strategies and innovative learning media that are able to attract students' attention to understand and apply local wisdom. This study aims to integrate Cloves as an identity flora in North Maluku in the implementation of an ethnopedagogic aproach at elementary schools in Ternate. This study uses a qualitative approach with a mixed method of research instruments consisting of observation sheets and questionnaires. Data analysis technique with concurrent triangulation strategy. The results showed that the ethnopedagogical approach implemented through learning activities using cloves as a spice study object in North Maluku was an effective alternative to local wisdom-based learning applied in elementary schools in Ternate city. Through the integration of cloves in an ethnopedagogical approach, it can improve scientific literacy skills and students' learning motivation. This study recommends that the ethnopedagogical approach can be implemented with innovative learning activities based on local wisdom

Characterization of lactic acid bacteria isolated from indigenous dahi samples for potential source of starter culture

Diversity and density of lactic acid bacteria from indigenous dahi were studied by the determination of morphological, cultural, physiological and biochemical characteristics. A total of 143 isolates were identified phenotypically and divided into three genera: Lactobacillus, Lactococcus and Streptococcus. The microorganisms isolated were Lactobacillus bulgaricus (23.77%), Streptococcus thermophilus (26.57%), Lactococcus lactis (13.9%), Lactobacillus acidophilus (9.79%), Lactobacillus lactis (9.79%), Lactobacillus delbreuckii (4.89%), Lactobacillus helveticus (2.79%), Lactobacillus casei (1.39%), Lactobacillus casei ssp. psuedoplantarum (2.79%), Streptococcus cremoris (2.09%) and Streptococcus lactis sub. diacetylactis (2.09%).Keywords: Lactic acid bacteria, fermented milk, dahi, characterization.African Journal of Biotechnology Vol. 12(33), pp. 5226-523

A Tale of Frozen Clouds: Quantifying the Impact of Algorithmic Complexity Vulnerabilities in Popular Web Servers

Algorithmic complexity vulnerabilities are a class of security problems that enables attackers to trigger the worst-case complexity of certain algorithms. Such vulnerabilities can be leveraged to deploy low-volume, asymmetric, CPU-based denial-of-service (DoS) attacks. Previous work speculates that these vulnerabilities are more dangerous in certain web servers, like Node.js, than in traditional ones, like Apache. We believe it is of utmost importance to understand if this is indeed the case or if there are ways to compensate against such problems using various deployment strategies. To this end, we study the resilience of popular web servers against CPU-based DoS attacks in four major cloud platforms under realistic deployment conditions. We find that there are indeed significant differences in how various web servers react to an attack. However, our results suggest a more nuanced landscape than previously believed: while event-based systems tend to recover faster from DoS in certain scenarios, they also suffer the worst performance degradation overall. Nevertheless, in some setups, Apache performs worse than event-based systems, and there are cloud platforms in which all the considered servers are seriously exposed to the attack. We also find that developers can harden their servers against CPU-based DoS attacks by increasing the number of server instances running in parallel. This, in turn, can lead to an increased cost of operation or a slight degradation of performance in non-DoS conditions