diff --git a/.emacs b/.emacs
index 7f8dd89..d85b75a 100644
--- a/.emacs
+++ b/.emacs
@@ -11,7 +11,6 @@
 ;; frame size
 (setq initial-frame-alist '((top . 10)(left . 20)
 			    (width . 90)(height . 50)))
-
 ;; which-key:
 (use-package which-key
   :ensure t
@@ -86,7 +85,9 @@
   :ensure t
   :init
   (progn
-    (setq dashboard-items '((recents . 5)
+    (setq recentf-exclude '("/Users/gmarx/beorg/"))
+    (setq dashboard-items '(
+			    ;;(recents . 5)
 			    (bookmarks . 5)
 			    (projects . 5)
 			    (agenda . 5)))
@@ -127,8 +128,9 @@
     (setq-default TeX-master nil) ; Query for master file.
     (setq TeX-auto-save t) ; Enable parse on save.
     (setq TeX-save-query nil)
-    (setq TeX-command-force "LaTex")
-    (setq latex-run-command "pdflatex")
+    (custom-set-variables '(LaTeX-command "latex -synctex=1"))
+    ;;(setq TeX-command-force "LaTex")
+    ;;(setq latex-run-command "pdflatex")
     (setq TeX-parse-self t) ; Enable parse on load.
     (setenv "PATH" (concat (getenv "PATH") ":/Library/TeX/texbin/"))
     (setq exec-path (append exec-path '("/Library/TeX/texbin/")))
@@ -188,13 +190,13 @@
   :after org 
   :bind ("C-x p" . org-pomodoro))
 ;; org configuration:
-(setq org-agenda-files '("~/beorg/phd.org" "~/beorg/students.org" "~/beorg/inbox.org" "~/beorg/academia.org"))
 (add-hook 'org-mode-hook
 	  (lambda()
 	    ;; dictionary
 	    (org-bullets-mode 1)
 	    (ispell-change-dictionary "en")
 	    (setq org-image-actual-width nil)
+	    (setq org-tags-column 5)
 	    (setq org-format-latex-options (plist-put org-format-latex-options :scale 1.5))
 	    (setq org-latex-create-formula-image-program 'imagemagick)
 	    (setq org-startup-indented t) ; Enable `org-indent-mode' by default
@@ -279,6 +281,44 @@
   :config
   (setq python-shell-interpreter "python3")
   (setq venv-location "~/.virtualenvs"))
+;; org-alert
+(use-package org-alert
+  :ensure t
+  :config
+  (setq alert-default-style 'osx-notifier))
+;; reftex
+(use-package reftex
+  :ensure t
+  :defer t
+  :config
+  (setq reftex-cite-prompt-optional-args t)); Prompt for empty optional arguments in cite
+;; org-exporter:
+(use-package ox-twbs
+  :ensure t)
+;;multiple coursors:
+(use-package ace-mc
+  :ensure t
+  :config
+  (global-set-key (kbd "C-)") 'ace-mc-add-multiple-cursors)
+  (global-set-key (kbd "C-M-)") 'ace-mc-add-single-cursor))
+;;ace-jump:
+(use-package ace-jump-mode
+  :ensure t
+  :bind ("C-x j" . ace-jump-mode))
+;; pyenv:
+(use-package pyvenv
+  :ensure t
+  :config
+  (pyvenv-mode 1))
+;;ess:
+;(use-package ess
+;  :ensure t)
+;(require 'ess-site)
+
+
+
+
+;;-=-=-=-=-=-=-
 ;; mu4e
 (use-package mu4e
   :commands (mu4e)
@@ -402,22 +442,33 @@
   ;;(define-key mu4e-headers-mode-map "s" 'helm-mu)
   ;;(define-key mu4e-view-mode-map "s" 'helm-mu)
   )
+
+;;agenda files
+;;(setq org-agenda-files '("~/beorg/phd.org" "~/beorg/students.org" "~/beorg/inbox.org" "~/beorg/academia.org"))
+(setq recentf-exclude (org-agenda-files))
   
 (custom-set-variables
  ;; custom-set-variables was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
+ '(LaTeX-command "latex -synctex=1")
  '(custom-safe-themes
    (quote
-    ("99ea831ca79a916f1bd789de366b639d09811501e8c092c85b2cb7d697777f93" "bf387180109d222aee6bb089db48ed38403a1e330c9ec69fe1f52460a8936b66" default)))
+    ("2f1518e906a8b60fac943d02ad415f1d8b3933a5a7f75e307e6e9a26ef5bf570" "71e5acf6053215f553036482f3340a5445aee364fb2e292c70d9175fb0cc8af7" "99ea831ca79a916f1bd789de366b639d09811501e8c092c85b2cb7d697777f93" "bf387180109d222aee6bb089db48ed38403a1e330c9ec69fe1f52460a8936b66" default)))
+ '(org-agenda-files
+   (quote
+    ("~/beorg/inbox.org" "~/beorg/academia.org" "~/beorg/water-quality.org" "~/beorg/phd.org" "~/lwc/projects/dynamicSystems/dynamic-systems.org")))
  '(package-selected-packages
    (quote
-    (latex-preview-pane org-pomodoro which-key virtualenvwrapper use-package treemacs-projectile pdf-tools org-bullets mu4e-maildirs-extension mu4e-alert magit helm-projectile helm-mu flycheck expand-region doom-themes doom-modeline dashboard company auctex)))
+    (pyvenv ess ace-mc ox-twbs org-alert latex-preview-pane org-pomodoro which-key virtualenvwrapper use-package treemacs-projectile pdf-tools org-bullets mu4e-maildirs-extension mu4e-alert magit helm-projectile helm-mu flycheck expand-region doom-themes doom-modeline dashboard company auctex)))
  '(pdf-tools-handle-upgrades nil)
  '(safe-local-variable-values
    (quote
-    ((LaTeX-includegraphics-read-file . LaTeX-includegraphics-read-file-relative)
+    ((fill-column . 5000:)
+     (ispell-local-dictionary . castellano)
+     (ispell-local-directory . castellano)
+     (LaTeX-includegraphics-read-file . LaTeX-includegraphics-read-file-relative)
      (set-fill-column . 5000)
      (set-fill-column . 2000)
      (TeX-auto-save . t)