Volz, S. Molecular clock models relate observed genetic diversity to calendar time, enabling estimation of times of common ancestry. Many large datasets of fast-evolving viruses are not well fitted by molecular clock models that assume a constant substitution rate through time, and more flexible relaxed clock models are required for robust inference of rates and dates. Estimation of relaxed molecular clocks using Bayesian Markov chain Monte Carlo is computationally expensive and may not scale well to large datasets. We build on recent advances in maximum likelihood and least-squares phylogenetic and molecular clock dating methods to develop a fast relaxed-clock method based on a Gamma-Poisson mixture model of substitution rates. This method estimates a distinct substitution rate for every lineage in the phylogeny while being scalable to large phylogenies. Unknown lineage sample dates can be estimated as well as unknown root position. We estimate confidence intervals for rates, dates, and tip dates using parametric and non-parametric bootstrap approaches. This method is implemented as an open-source R package, treedater.
Barbara J. Have you ever walked out of a movie theater and said to your companion, “Wow, the science in that film was awesome? You might think, here, of Jodie Foster searching for extraterrestrial intelligence in the now-classic movie Contact. Or, more recently, Matt Damon sciencing his way out of trouble when stranded in The Martian , or the smart linguist-and-theoretical physicist team played by Amy Adams and Jeremy Renner working to communicate with heptapods in Arrival.
We can each probably name a favorite. I’m pretty sure for my
With the evolution of the retreats we have found that speed dating after 3–4 fifteen minute presentations seems to work the best. In order to.
Shaping the embryo towards gastrulation. Developmental Biology Write Club, Post 1. July in preprints. Dissecting modes of pattern formation using live imaging and Hidden Markov Models. This event takes the form of a 5-minute conversation between a scientist and a visitor in a relaxed and entertaining space in a way of breaking down the stereotypes of scientists, encouraging scientific careers and involving the public in science-related issues.
Researchers who take part range from PhD students and post-docs to group leaders. They can have different backgrounds including biology, physics, bioinformatics, medicine and chemistry. Conversations frequently last more than the 5 minutes estimated for a speed-dating and the visitors have the opportunity to speak with at least three scientists. Topics range from scientific work on genetics, cancer, malaria and the use of computational biology in state-of-the art biomedical research to the day-to-day life of researchers and how it fits in with private life.
Teenagers and adults. If you have 12 tables, each table with 1 scientist, you can organize them in 4 rows of 3 tables.
Speed Dating and Decision-Making: Why Less Is More
Based on the positive resonance they received, they decided to form EvoKE to broaden the discussion on the state of education and outreach in evolutionary biology. Tania is a scientist-turned science communicator and policy advocate. Since then, she has worked in museums and universities creating scientific exhibitions, workshops, science festivals, science speed-dating events and immersive games.
She believes in breaking barriers between scientists and the public, and facilitating discussions amongst diverse stake-holders. She is also developing workshops to empower researchers to improve their own research-culture environment. Among her research interests is Biology Teaching.
11 reviews of Cloud9 Speed Dating “This was my first time every experiencing anything of this nature, but I have to say, the host (Tommy) made it so comfortable.
Marriage data show a strong degree of positive assortative mating along a variety of attributes. But since marriage is an equilibrium outcome, it is unclear whether positive sorting is the result of preferences rather than opportunities. We assess the relative importance of preferences and opportunities in dating behaviour, using unique data from a large commercial speed dating agency. While the speed dating design gives us a direct observation of individual preferences, the random allocation of participants across events generates an exogenous source of variation in opportunities and allows us to identify the role of opportunities separately from that of preferences.
We find that both women and men equally value physical attributes, such as age and weight, and that there is positive sorting along age, height, and education. The role of individual preferences, however, is outplayed by that of opportunities. Along some attributes such as occupation, height and smoking opportunities explain almost all the estimated variation in demand.
Along other attributes such as age , the role of preferences is more substantial, but never dominant. Despite this, preferences have a part when we observe a match, i.
Meet the EvoKE Gardeners
You will hear from speakers representing civil society, EU institutions, business and technical community and take part of the discussions in a fun, casual and highly informative format. On 17 July , the Internet Society and its locally based chapter, Internet Australia, joined 75 organizations in signing a Encryption is the process of scrambling or enciphering data so it can be read only by someone with the means to return it to its original state. What is encryption? Encryption is the process to scramble or hide information so it can only be read by someone
In speed-dating, romantically eligible individuals attend an event where they have a chance to meet all the Evolution and Human Behavior, 26, – Todd.
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PET: Speed Dating CT or MRI?
Gary W. Lewandowski Jr. On a TV show or in a movie, if a guy and a girl are at a party and one approaches the other to strike up a conversation, chances are that it was the guy who approached the girl.
A home for providing evidence for buses and trucks it is a fab way to be missing the guestlist for evolution! For single people speed dating nl.
At the Computational and Systems Neuroscience Cosyne conference in Utah in February, 15 experimentalists and 15 theorists and data analysts pitched their talents in a speed-dating-style event. Each pair chatted for three minutes to figure out if they had potential for a scientific spark and then moved on to the next candidate. At the end of the event, participants chose three people they wanted to collaborate with.
If the feeling is mutual, they will be matched with their selections. They were brainstorming ways to encourage shy scientists to connect, ideally in a structured format where people would give short elevator pitches about their work to many different individuals. Giovannucci originally proposed the speed-dating concept in jest, but the idea quickly caught on. Within 24 hours, the Simons Foundation team had put together the event, hosting 13 experimentalist-theorist pairs.
This year, more than 50 people registered. Because of time constraints, only the first 15 from each group were invited to participate. Participants certainly had a lot to talk about — at the end of each round, most were reluctant to move on to the next candidate. Michael Kohl , an experimentalist at the University of Oxford, made a number of connections even before getting his post-hoc matches.
Speed dating: Why are women more choosy?
In fact, I had just met this man. And we were in a brightly lit yoga studio in the Lower Haight with a dream catcher on the wall and a statue of Buddha in the corner. Roughly 40 other singles were paired off around us, all engaged in the exact same awkward declaration — yes, strangers had been instructed to pledge their unconditional devotion to each other. Despite its name, these are clothing-on, nonsexual events. This was an evening I had signed up for as a revolt of sorts, to combat the monotony of internet dating.
I had no desire to go on yet another repetitive walk down Valencia, coffee in hand, with the latest man I had swiped right on.
How does relative dating support evolution. I. Charles darwin and relative age of determining the theory of evolution because they provide actual numerical.
Fax: , Telephone: Retreat themes were prioritized based on the following criteria; cross-cutting topic, unmet medical need, generation of novel technologies and methodologies. Each retreat commences with an external keynote speaker followed by a series of brief research presentations by local researchers focused on the retreat theme, articulating potential areas for new collaborations. Retreat attendees are eligible to compete for pilot project funds on the topic of the retreat theme.
The 10 retreats held have had a total of participants, resulted in 61 pilot projects with new interdisciplinary teams, and 14 funded projects. The retreat format has been a successful mechanism to stimulate novel interdisciplinary research teams and innovative translational research projects. Future retreats will continue to target topics of cross-cutting importance to biomedical and public health research. An Institute of Medicine report in emphasized the need and importance of team-based collaborations across disciplines to overcome barriers within academic cultures.
The benefits of working across disciplines and organizational boundaries may be difficult to achieve due to barriers such as geographic distance between researchers, lack of a common forum to meet and share research ideas, costs involved, and lack of appropriate rewards for team science within academic cultures. Consequently, fewer positive outcomes among projects with investigators from more universities have been observed than in projects with fewer universities.
Few studies have shown that the conferences bringing distant researchers together can reduce the difficulties inherent in collaborations involving multiple universities and increase long-term collaborations. The intervention that we tested focused on scientific retreats, based upon the principle that these forums offer a positive and collaborative environment that promotes exchange of research ideas and novel approaches to solve research problems.
Evolution Speed Dating
In , a German-based company, in collaboration with its U. Extensively documented evidence exists that PET imaging affects the staging and management of cancer patients, and there is no doubt that PET should be offered in addition to the currently reimbursed anatomic imaging procedures. The use of the CT images for noiseless attenuation correction of the PET data, the improved quality of the PET images, and the min whole-body scan times greatly benefit the patient.
In neurology, for example, the simultaneous mapping of MRI spectroscopy and molecular changes may ultimately lead to new insight into brain activation or may support neurosurgical intervention. One wonders how many combinations of PET with a reimbursed anatomic imaging modality it will take before PET imaging too is reimbursed.
Keywords: sex differences, mate preferences, speed dating, empathy gap, a priori theories. After decades of research Many evolution- ary psychologists argue.
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Encryption and Lawful Access: Stakeholder Speed Dating Event
Office : Young Hall F Email: eastwick ucdavis. Curriculum Vitae. One of his research programs examines how the qualities that people say are critically important to them in a romantic partner—their ideal partner preferences —direct romantic partner selection and retention. Additionally, his work draws from anthropological data on the time course of human evolution to make novel psychological predictions.
As a psychologist, I have always found the concept of speed dating the author postulates that over millions of years of human evolution, such.
Time: Wednesday, May 20, – Listen to five quick-fire talks by experts whose work spans a range of scientific fields. Hear about research taking place on the cutting edge of science, peer into the possibilities of our technological future, and leave inspired by a STEMM smorgasbord of ideas! Moon has worked on issues in the history, philosophy, and cultural studies of math and science.
Recognizing the fundamental threat that gerrymandering poses to U. Patricia K. It has implications for critical periods in development, for bilingual education and reading readiness, for developmental disabilities involving language, and for research on computer understanding of speech. The focus of her research is on dolphin cognition and communication, comparative animal cognition, and the evolution of intelligence. Diana pioneered the use of an interactive underwater keyboard system with dolphins.
Speed-Dating Picks Shed Light on Evolution
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In the present study, the authors explored this possibility using speed dating and longitudinal follow-up The evolution of desire: Strategies of human mating.
Jacob Goldstein. Ask people what they’re looking for in a mate, and they’ll likely say it’s someone a lot like them. But take a look around at who gets matched up with whom, and you may reach a very different conclusion. Some scientists just did — and they found that guys go for looks and women go for a combination of wealth, family commitment and appearance, among other traits. For more, see our video interview with Peter Todd, an Indiana University cognitive scientist and one of the authors of the study.
Researchers put about 50 single people under the microscope at a speed-dating event and found that men tend to pick women primarily based on how attractive they are, while women seek “overall desirability,” an amalgam that includes wealth, status, looks and other attributes. And the more attractive the women say they are, the pickier they are about the guy they’ll consider going out with. Yet both men and women said before the session that they were looking for people basically like them.
The authors of the paper, to be published Friday in the Proceedings of the National Academy of Sciences, go on about how their findings fit in with “evolutionary models of human mating. Call us old-fashioned. By Jacob Goldstein. Popular on WSJ.