A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_URI::$config is deprecated

Filename: core/URI.php

Line Number: 101

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Router::$uri is deprecated

Filename: core/Router.php

Line Number: 127

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$benchmark is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$hooks is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$config is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$log is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$utf8 is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$uri is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$exceptions is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$router is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$output is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$security is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$input is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$lang is deprecated

Filename: core/Controller.php

Line Number: 75

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$load is deprecated

Filename: core/Controller.php

Line Number: 78

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$db is deprecated

Filename: core/Loader.php

Line Number: 396

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_DB_mysqli_driver::$autoinit is deprecated

Filename: database/DB_driver.php

Line Number: 371

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$encryption is deprecated

Filename: core/Loader.php

Line Number: 1283

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 290

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 164

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 233

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 313

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 354

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 282

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 289

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 304

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 314

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 315

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 375

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$session is deprecated

Filename: core/Loader.php

Line Number: 1283

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$form_validation is deprecated

Filename: core/Loader.php

Line Number: 1283

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$user_model is deprecated

Filename: core/Loader.php

Line Number: 358

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Games::$game_model is deprecated

Filename: core/Loader.php

Line Number: 358

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$benchmark is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$hooks is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$config is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$log is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$utf8 is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$uri is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$exceptions is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$router is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$output is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$security is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$input is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$lang is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$load is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$db is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$encryption is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$session is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$form_validation is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$user_model is deprecated

Filename: core/Loader.php

Line Number: 931

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$game_model is deprecated

Filename: core/Loader.php

Line Number: 931

Citizen Sort
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Living Links -- Play with AI !

Today's AI technology makes it possible for computers to find out what is in a picture. But many times computers can still be fooled by images that humans can easily recognize. By playing Living Links, you can help scientists by correcting the classification of those images that can fool computers.
Unlock 20 species in Serengeti National Park, including wildebeest, lion, cheetah, baboon, and help scientists understand the dynamics of the ecological system in Serengeti.
This work was partially supported by the US National Science Foundation under grant SOCS 09-68470. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.