Updates feeds: 6dd9871 Brasil: science: more feeds

diff --git a/modules/feeds b/modules/feeds
index 8da17b79f00e273163b2bf585d49653193dbffa2..6dd9871c6efa14ea602c92838df96cd798b305f8 160000 (submodule)
--- a/modules/feeds
+++ b/modules/feeds
@@ -1 +1 @@
-Subproject commit 8da17b79f00e273163b2bf585d49653193dbffa2
+Subproject commit 6dd9871c6efa14ea602c92838df96cd798b305f8